code/scripts/create_teacher_batch_b.py

#!/usr/bin/env python3
"""Materialize 32 original in-session Codex-authored games; no model/API call.

This is authorship tooling, not a claim of executed Godot validation. Admission
requires the separate Linux engine import and full 60-second runtime check.
"""
import hashlib
import json
from pathlib import Path
import sys

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "src"))
from vibegame.project import parse_project, project_sha256

PROJECT = '''config_version=5
[application]
config/name="%s"
run/main_scene="res://main.tscn"
[display]
window/size/viewport_width=960
window/size/viewport_height=640
[rendering]
renderer/rendering_method="gl_compatibility"
environment/defaults/default_clear_color=Color(0.035, 0.047, 0.09, 1)
'''
SCENE = '''[gd_scene load_steps=2 format=3]
[ext_resource type="Script" path="res://main.gd" id="1"]
[node name="Game" type="Node2D"]
script = ExtResource("1")
'''
HELPERS = '''
func text_at(s: String, p: Vector2, size: int = 22, color: Color = Color.WHITE) -> void:
\tdraw_string(ThemeDB.fallback_font, p, s, HORIZONTAL_ALIGNMENT_LEFT, -1, size, color)
func backdrop(title: String, controls: String) -> void:
\tdraw_rect(Rect2(0, 0, 960, 88), Color("121d35"))
\ttext_at(title, Vector2(24, 35), 27, Color("5ef2d0"))
\ttext_at(controls, Vector2(24, 68), 17, Color("c1cfe8"))
'''
GAMES = {}
GAMES[21] = ("Four Floor Courier", '''extends Node2D
var people: Array[Dictionary] = []
var cabin: float = 520.0
var remaining: float = 100.0
var delivered: int = 0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	people.clear()
	for i in range(8):
		people.append({"floor": i % 4, "dest": (i % 4 + 1 + i / 4) % 4, "state": 0})
	cabin = 520.0
	remaining = 100.0
	delivered = 0
	outcome = ""
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		remaining -= dt
		cabin = clampf(cabin + Input.get_axis("ui_up", "ui_down") * 170.0 * dt, 160, 520)
		for floor in range(4):
			if absf(cabin - (520.0 - floor * 120.0)) < 9.0:
				for p in people:
					if p["state"] == 1 and p["dest"] == floor:
						p["state"] = 2
						delivered += 1
				var onboard: int = 0
				for p in people:
					if p["state"] == 1:
						onboard += 1
				for p in people:
					if p["state"] == 0 and p["floor"] == floor and onboard < 2:
						p["state"] = 1
						onboard += 1
		if delivered == 8:
			outcome = "All eight passengers delivered! R: new shift"
		elif remaining <= 0:
			outcome = "Shift ended before all deliveries. R: retry"
	queue_redraw()
func _draw() -> void:
	backdrop("FOUR FLOOR COURIER", "Up / Down: elevator | Automatic pickup and drop-off | Capacity 2 | R: restart")
	for floor in range(4):
		var y: float = 520.0 - floor * 120.0
		draw_line(Vector2(90, y + 22), Vector2(750, y + 22), Color("46617d"), 3)
		text_at("FLOOR %d" % (floor + 1), Vector2(760, y), 20)
	draw_rect(Rect2(447, 115, 86, 452), Color("30455f"), false, 3)
	draw_rect(Rect2(452, cabin - 44, 76, 66), Color("5ef2d0"), false, 4)
	var seat: int = 0
	for i in range(people.size()):
		var p: Dictionary = people[i]
		if p["state"] == 2:
			continue
		var pos: Vector2 = Vector2(180 + (i / 4) * 75, 520 - int(p["floor"]) * 120)
		if p["state"] == 1:
			pos = Vector2(468 + seat * 32, cabin)
			seat += 1
		draw_circle(pos, 12, Color("ffcd6b"))
		text_at(str(int(p["dest"]) + 1), pos + Vector2(-6, -20), 20)
	text_at("Delivered %d / 8    Time %d" % [delivered, ceili(remaining)], Vector2(28, 606))
	if outcome != "":
		text_at(outcome, Vector2(170, 110), 23)
''')
GAMES[22] = ("Counterweight", '''extends Node2D
var balls: Array[float] = [-100.0, 0.0, 100.0]
var speeds: Array[float] = [10.0, -14.0, 6.0]
var weight: float = 0.0
var angle: float = 0.0
var spin: float = 0.0
var timer: float = 30.0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	balls = [-100.0, 0.0, 100.0]
	speeds = [10.0, -14.0, 6.0]
	weight = 0.0
	angle = 0.0
	spin = 0.0
	timer = 30.0
	outcome = ""
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		timer -= dt
		weight = clampf(weight + Input.get_axis("ui_left", "ui_right") * 160.0 * dt, -195, 195)
		var torque: float = (balls[0] + balls[1] + balls[2] + weight * 3.0) * 0.0007
		spin += (torque - angle * 0.5 - spin * 1.5) * dt
		angle = clampf(angle + spin * dt, -0.6, 0.6)
		for i in range(3):
			speeds[i] += (sin(angle) * 220.0 - speeds[i] * 0.08) * dt
			balls[i] += speeds[i] * dt
			if absf(balls[i]) > 220:
				outcome = "A ball fell! Move the counterweight earlier. R: retry"
		if timer <= 0 and outcome == "":
			outcome = "Balanced for thirty seconds! R: play again"
	queue_redraw()
func point(x: float, y: float = 0.0) -> Vector2:
	return Vector2(480, 350) + Vector2(x, y).rotated(angle)
func _draw() -> void:
	backdrop("COUNTERWEIGHT", "Left / Right: move the gold weight | Keep all three balls aboard for 30 seconds | R: restart")
	draw_colored_polygon(PackedVector2Array([Vector2(450, 460), Vector2(510, 460), Vector2(480, 350)]), Color("46617d"))
	draw_line(point(-230), point(230), Color("c1cfe8"), 12)
	for i in range(3):
		draw_circle(point(balls[i], -20), 14, Color.from_hsv(i * 0.2 + 0.45, 0.7, 1.0))
	draw_circle(point(weight, 28), 18, Color("ffcd6b"))
	text_at("Time left %.1f     Plank tilt %.1f degrees" % [maxf(timer, 0), rad_to_deg(angle)], Vector2(180, 530))
	if outcome != "":
		text_at(outcome, Vector2(130, 580), 23)
''')
GAMES[23] = ("Two Pan Kitchen", '''extends Node2D
var heat: Array[float] = [0.0, 0.0]
var cooking: Array[bool] = [false, false]
var plates: int = 0
var mistakes: int = 0
var time_left: float = 60.0
var message: String = "Click a cold pan to begin. Click again to serve."
var outcome: String = ""
func pan_rect(i: int) -> Rect2:
	return Rect2(190 + i * 340, 170, 220, 230)
func reset() -> void:
	heat = [0.0, 0.0]
	cooking = [false, false]
	plates = 0
	mistakes = 0
	time_left = 60.0
	outcome = ""
	message = "Click a cold pan to begin. Click again to serve."
func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and event.keycode == KEY_R:
		reset()
	if outcome != "":
		return
	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
		for i in range(2):
			if pan_rect(i).has_point(event.position):
				if not cooking[i]:
					cooking[i] = true
				elif heat[i] >= 65 and heat[i] <= 85:
					plates += 1
					message = "Perfectly served!"
					cooking[i] = false
					heat[i] = 0
				else:
					mistakes += 1
					message = "Too cold or too hot!"
					cooking[i] = false
					heat[i] = 0
func _process(dt: float) -> void:
	if outcome == "":
		time_left -= dt
		for i in range(2):
			if cooking[i]:
				heat[i] += (20.0 + i * 7.0) * dt
				if heat[i] >= 100:
					mistakes += 1
					cooking[i] = false
					heat[i] = 0
					message = "Burned!"
		if plates >= 6:
			outcome = "Six plates served. Kitchen complete!"
		elif mistakes >= 3 or time_left <= 0:
			outcome = "Kitchen closed. R: try another shift"
	queue_redraw()
func _draw() -> void:
	backdrop("TWO PAN KITCHEN", "Click pan: start / serve | Serve between 65 and 85 degrees | Six plates, fewer than 3 mistakes | R: restart")
	for i in range(2):
		var r: Rect2 = pan_rect(i)
		draw_rect(r, Color("23344c"))
		draw_circle(r.position + Vector2(110, 90), 67, Color("ff875b") if cooking[i] else Color("718199"))
		text_at("PAN %d" % (i + 1), r.position + Vector2(65, 95))
		draw_rect(Rect2(r.position + Vector2(10, 174), Vector2(200, 26)), Color("142037"))
		draw_rect(Rect2(r.position + Vector2(140, 174), Vector2(40, 26)), Color("25855f"))
		draw_line(r.position + Vector2(10 + heat[i] * 2, 170), r.position + Vector2(10 + heat[i] * 2, 205), Color.WHITE, 4)
		text_at("%.0f degrees" % heat[i], r.position + Vector2(43, 225))
	text_at("Plates %d / 6    Mistakes %d / 3    Time %d" % [plates, mistakes, ceili(maxf(0, time_left))], Vector2(220, 470))
	text_at(message, Vector2(180, 520))
	text_at(outcome, Vector2(170, 575), 25, Color("ffcd6b"))
''')
GAMES[24] = ("Echo Pads", '''extends Node2D
var sequence: Array[int] = [0, 2]
var showing: bool = true
var show_clock: float = -0.8
var response: int = 0
var flash: int = -1
var flash_time: float = 0.0
var outcome: String = ""
func reset() -> void:
	sequence = [0, 2]
	showing = true
	show_clock = -0.8
	response = 0
	flash = -1
	outcome = ""
func pad(i: int) -> Rect2:
	return Rect2(200 + (i % 2) * 300, 160 + (i / 2) * 175, 260, 145)
func press(i: int) -> void:
	if showing or outcome != "":
		return
	flash = i
	flash_time = 0.25
	if i != sequence[response]:
		outcome = "Wrong pad. R: listen to a new round"
		return
	response += 1
	if response == sequence.size():
		if sequence.size() == 8:
			outcome = "Eight-note sequence remembered! R: replay"
		else:
			sequence.append(randi_range(0, 3))
			showing = true
			show_clock = -1.0
			response = 0
func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and not event.echo:
		if event.keycode == KEY_R:
			reset()
		for i in range(4):
			if event.keycode == KEY_1 + i:
				press(i)
	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
		for i in range(4):
			if pad(i).has_point(event.position):
				press(i)
func _process(dt: float) -> void:
	if outcome == "" and showing:
		show_clock += dt
		var index: int = floori(show_clock / 0.8)
		flash = -1
		if index >= sequence.size():
			showing = false
		elif index >= 0 and fmod(show_clock, 0.8) < 0.5:
			flash = sequence[index]
	elif not showing:
		flash_time -= dt
		if flash_time <= 0:
			flash = -1
	queue_redraw()
func _draw() -> void:
	backdrop("ECHO PADS", "Watch the flashes, then repeat at any speed | Click pads or press 1 / 2 / 3 / 4 | R: restart")
	for i in range(4):
		draw_rect(pad(i), Color.from_hsv(i * 0.23, 0.7, 1.0 if flash == i else 0.35))
		text_at(str(i + 1), pad(i).position + Vector2(116, 90), 46)
	text_at("WATCH" if showing else "YOUR TURN - no timing requirement", Vector2(230, 125), 25)
	text_at("Sequence length %d / 8    Entered %d" % [sequence.size(), response], Vector2(240, 555))
	text_at(outcome, Vector2(180, 610), 23, Color("ffcd6b"))
''')
GAMES[25] = ("Crane Stack", '''extends Node2D
var stack: Array[Rect2] = []
var crane: float = 180.0
var direction: float = 1.0
var falling: bool = false
var package_pos: Vector2 = Vector2.ZERO
var velocity: float = 0.0
var outcome: String = ""
func reset() -> void:
	stack.clear()
	crane = 180
	direction = 1
	falling = false
	outcome = ""
func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and not event.echo:
		if event.keycode == KEY_R:
			reset()
		if event.keycode == KEY_SPACE and not falling and outcome == "":
			falling = true
			package_pos = Vector2(crane - 58, 130)
			velocity = 0
func _process(dt: float) -> void:
	if outcome == "":
		if not falling:
			crane += direction * (190 + stack.size() * 23) * dt
			if crane < 120 or crane > 840:
				direction *= -1
				crane = clampf(crane, 120, 840)
		else:
			velocity += 570 * dt
			package_pos.y += velocity * dt
			var target: float = 550 - stack.size() * 52
			if package_pos.y + 52 >= target:
				package_pos.y = target - 52
				var overlap: float = 116
				if not stack.is_empty():
					overlap = minf(package_pos.x + 116, stack[-1].end.x) - maxf(package_pos.x, stack[-1].position.x)
				if package_pos.x < 350 or package_pos.x + 116 > 610 or overlap < 78:
					outcome = "Unstable placement! Stay inside the outline and overlap. R: retry"
				else:
					stack.append(Rect2(package_pos, Vector2(116, 52)))
					if stack.size() == 6:
						outcome = "Six stable packages! Tower complete. R: replay"
				falling = false
	queue_redraw()
func _draw() -> void:
	backdrop("CRANE STACK", "Space: release package | Stay inside the tower and overlap the previous box | R: restart")
	draw_rect(Rect2(350, 208, 260, 344), Color("5ef2d0"), false, 3)
	draw_line(Vector2(80, 550), Vector2(880, 550), Color("c1cfe8"), 4)
	draw_line(Vector2(100, 115), Vector2(860, 115), Color("46617d"), 5)
	for i in range(stack.size()):
		draw_rect(stack[i], Color.from_hsv(i * 0.1, 0.6, 0.95))
		draw_rect(stack[i], Color.WHITE, false, 2)
	if outcome == "":
		var pos: Vector2 = package_pos if falling else Vector2(crane - 58, 130)
		draw_rect(Rect2(pos, Vector2(116, 52)), Color("ffcd6b"))
		if not falling:
			draw_line(Vector2(crane, 115), Vector2(crane, 130), Color.WHITE, 3)
	text_at("Stable placements %d / 6" % stack.size(), Vector2(310, 590))
	text_at(outcome, Vector2(75, 625), 20)
''')
GAMES[26] = ("Trail Territory", '''extends Node2D
const W: int = 14
const H: int = 10
const STEP: int = 38
var owned: Dictionary = {}
var trail: Array[Vector2i] = []
var player: Vector2i = Vector2i(2, 5)
var enemy: Vector2i = Vector2i(11, 5)
var move_clock: float = 0.0
var enemy_clock: float = 0.0
var time_left: float = 90.0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	owned.clear()
	trail.clear()
	for y in range(H):
		for x in range(3):
			owned[Vector2i(x, y)] = true
	player = Vector2i(2, 5)
	enemy = Vector2i(11, 5)
	move_clock = 0
	enemy_clock = 0
	time_left = 90
	outcome = ""
func inside(p: Vector2i) -> bool:
	return p.x >= 0 and p.y >= 0 and p.x < W and p.y < H
func reconnect() -> void:
	for p in trail:
		owned[p] = true
	trail.clear()
	var reached: Dictionary = {enemy: true}
	var queue: Array[Vector2i] = [enemy]
	var cursor: int = 0
	while cursor < queue.size():
		var cell: Vector2i = queue[cursor]
		cursor += 1
		for direction in [Vector2i.LEFT, Vector2i.RIGHT, Vector2i.UP, Vector2i.DOWN]:
			var next: Vector2i = cell + direction
			if inside(next) and not owned.has(next) and not reached.has(next):
				reached[next] = true
				queue.append(next)
	for y in range(H):
		for x in range(W):
			var cell: Vector2i = Vector2i(x, y)
			if not reached.has(cell):
				owned[cell] = true
	if owned.size() >= 92:
		outcome = "Territory secured! R: another expedition"
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		time_left -= dt
		move_clock -= dt
		var direction: Vector2i = Vector2i.ZERO
		if Input.is_action_pressed("ui_left"):
			direction = Vector2i.LEFT
		elif Input.is_action_pressed("ui_right"):
			direction = Vector2i.RIGHT
		elif Input.is_action_pressed("ui_up"):
			direction = Vector2i.UP
		elif Input.is_action_pressed("ui_down"):
			direction = Vector2i.DOWN
		if move_clock <= 0 and direction != Vector2i.ZERO:
			move_clock = 0.13
			var next: Vector2i = player + direction
			if inside(next):
				if trail.has(next):
					outcome = "You crossed your own trail. R: retry"
				else:
					player = next
					if owned.has(player):
						if not trail.is_empty():
							reconnect()
					else:
						trail.append(player)
		enemy_clock -= dt
		if enemy_clock <= 0:
			enemy_clock = 0.22
			var directions: Array[Vector2i] = [Vector2i.LEFT, Vector2i.RIGHT, Vector2i.UP, Vector2i.DOWN]
			var next: Vector2i = enemy + directions[randi_range(0, 3)]
			if inside(next) and not owned.has(next):
				enemy = next
		if trail.has(enemy):
			outcome = "Enemy cut the active trail! R: retry"
		elif time_left <= 0:
			outcome = "Time expired. R: retry"
	queue_redraw()
func center(p: Vector2i) -> Vector2:
	return Vector2(215, 155) + Vector2(p) * STEP + Vector2.ONE * STEP * 0.5
func _draw() -> void:
	backdrop("TRAIL TERRITORY", "Arrows: step | Leave blue safety, draw a loop, reconnect | Avoid the red enemy | R: restart")
	for y in range(H):
		for x in range(W):
			var p: Vector2i = Vector2i(x, y)
			var color: Color = Color("287a94") if owned.has(p) else Color("182439")
			if trail.has(p):
				color = Color("ffcd6b")
			draw_rect(Rect2(center(p) - Vector2.ONE * 18, Vector2(36, 36)), color)
	draw_circle(center(enemy), 13, Color("ff6176"))
	draw_circle(center(player), 11, Color.WHITE)
	text_at("Claim %d / 92 tiles    Time %d" % [owned.size(), ceili(maxf(0, time_left))], Vector2(240, 575))
	text_at(outcome, Vector2(220, 620), 23)
''')
GAMES[27] = ("Charge Duel", '''extends Node2D
var hp: int = 5
var foe_hp: int = 5
var energy: int = 2
var foe_energy: int = 2
var rounds: int = 0
var report: String = "Choose an action. The opponent commits without seeing your choice."
var outcome: String = ""
var names: Array[String] = ["ATTACK", "BLOCK", "CHARGE"]
func reset() -> void:
	hp = 5
	foe_hp = 5
	energy = 2
	foe_energy = 2
	rounds = 0
	report = "Attack costs 1 energy. Block defeats attack. Charge restores 1."
	outcome = ""
func button(i: int) -> Rect2:
	return Rect2(150 + i * 230, 420, 200, 72)
func choose(action: int) -> void:
	if outcome != "":
		return
	if action == 0 and energy == 0:
		report = "No energy: block or charge first."
		return
	var rival: int = 2 if foe_energy == 0 else randi_range(0, 2)
	rounds += 1
	if action == 0:
		energy -= 1
	if rival == 0:
		foe_energy -= 1
	if action == 2:
		energy = mini(energy + 1, 4)
	if rival == 2:
		foe_energy = mini(foe_energy + 1, 4)
	if action == 0:
		if rival == 1:
			hp -= 1
		else:
			foe_hp -= 1
	if rival == 0:
		if action == 1:
			foe_hp -= 1
		else:
			hp -= 1
	report = "You: %s    Rival: %s    Round %d" % [names[action], names[rival], rounds]
	if hp <= 0 and foe_hp <= 0:
		outcome = "Mutual knockout! R: rematch"
	elif foe_hp <= 0:
		outcome = "You win the duel! R: rematch"
	elif hp <= 0:
		outcome = "Rival wins. R: rematch"
func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and not event.echo:
		if event.keycode == KEY_R:
			reset()
		for i in range(3):
			if event.keycode == KEY_1 + i:
				choose(i)
	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
		for i in range(3):
			if button(i).has_point(event.position):
				choose(i)
	queue_redraw()
func _draw() -> void:
	backdrop("CHARGE DUEL", "Click an action or press 1 / 2 / 3 | Attack beats charge; block counters attack | R: restart")
	draw_circle(Vector2(280, 235), 70, Color("5ef2d0"))
	draw_circle(Vector2(690, 235), 70, Color("ff6176"))
	text_at("YOU", Vector2(252, 244), 25, Color("121d35"))
	text_at("RIVAL", Vector2(650, 244), 25)
	text_at("HP %d    Energy %d / 4" % [hp, energy], Vector2(180, 345))
	text_at("HP %d    Energy %d / 4" % [foe_hp, foe_energy], Vector2(570, 345))
	for i in range(3):
		draw_rect(button(i), Color("334966"))
		text_at("%d: %s" % [i + 1, names[i]], button(i).position + Vector2(18, 45))
	text_at(report, Vector2(70, 550), 20)
	text_at(outcome, Vector2(280, 610), 26, Color("ffcd6b"))
''')
GAMES[28] = ("Binary Wires", '''extends Node2D
var lamps: int = 0
var target: int = 5
var masks: Array[int] = [3, 6, 7]
var moves: int = 0
var puzzles: int = 0
var outcome: String = ""
func reset() -> void:
	lamps = 0
	target = 5
	moves = 0
	puzzles = 0
	outcome = ""
func toggle(i: int) -> void:
	if outcome != "":
		return
	lamps = lamps ^ masks[i]
	moves += 1
	if lamps == target:
		puzzles += 1
		if puzzles == 4:
			outcome = "Four circuits repaired! R: restart"
		else:
			lamps = target
			target = (target + 3) % 8
			moves = 0
	elif moves >= 6:
		outcome = "Six moves used. Circuit locked! R: retry"
func switch_rect(i: int) -> Rect2:
	return Rect2(150 + 240 * i, 390, 180, 75)
func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and not event.echo:
		if event.keycode == KEY_R:
			reset()
		for i in range(3):
			if event.keycode == KEY_1 + i:
				toggle(i)
	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
		for i in range(3):
			if switch_rect(i).has_point(event.position):
				toggle(i)
	queue_redraw()
func _draw() -> void:
	backdrop("BINARY WIRES", "Click switches or press 1 / 2 / 3 | Match the target in at most six toggles | R: restart")
	text_at("TARGET", Vector2(45, 174), 22)
	text_at("LAMPS", Vector2(45, 278), 22)
	for j in range(3):
		var x: float = 240 + 240 * j
		draw_circle(Vector2(x, 165), 24, Color("5ef2d0") if target & (1 << j) else Color("26394e"))
		text_at(str((target >> j) & 1), Vector2(x - 6, 172), 21, Color.WHITE)
		draw_circle(Vector2(x, 265), 35, Color("ffcd6b") if lamps & (1 << j) else Color("26394e"))
		text_at(str((lamps >> j) & 1), Vector2(x - 7, 273), 24, Color.WHITE)
	for i in range(3):
		for j in range(3):
			if masks[i] & (1 << j):
				draw_line(Vector2(240 + 240 * i, 390), Vector2(240 + 240 * j, 305), Color.from_hsv(i * 0.24, 0.5, 0.6), 2)
		draw_rect(switch_rect(i), Color("334966"))
		text_at("SWITCH %d" % (i + 1), switch_rect(i).position + Vector2(23, 45))
	text_at("Repairs %d / 4    Moves %d / 6    Wires show affected lamps" % [puzzles, moves], Vector2(140, 535))
	text_at(outcome, Vector2(250, 600), 25)
''')
GAMES[29] = ("Water Gates", '''extends Node2D
var opened: Array[bool] = [false, false]
var levels: Array[int] = [0, 0]
var drops: Array[Dictionary] = []
var spawn_clock: float = 0.0
var time_left: float = 65.0
var outcome: String = ""
const TARGET: int = 20
func reset() -> void:
	opened = [false, false]
	levels = [0, 0]
	drops.clear()
	spawn_clock = 0
	time_left = 65
	outcome = ""
func gate(i: int) -> Rect2:
	return Rect2(270 + i * 320, 210, 100, 55)
func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and event.keycode == KEY_R:
		reset()
	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT and outcome == "":
		for i in range(2):
			if gate(i).has_point(event.position):
				opened[i] = not opened[i]
func _process(dt: float) -> void:
	if outcome == "":
		time_left -= dt
		spawn_clock -= dt
		if spawn_clock <= 0:
			spawn_clock = 0.25
			for i in range(2):
				if opened[i]:
					drops.append({"p": Vector2(320 + i * 320, 265), "v": 0.0, "tank": i})
		for k in range(drops.size() - 1, -1, -1):
			var d: Dictionary = drops[k]
			d["v"] += 440.0 * dt
			d["p"] += Vector2(0, float(d["v"]) * dt)
			var i: int = d["tank"]
			if d["p"].y >= 555 - levels[i] * 8:
				levels[i] += 1
				drops.remove_at(k)
				if levels[i] > TARGET:
					outcome = "A tank overflowed its marked level! R: retry"
		if levels[0] == TARGET and levels[1] == TARGET and drops.is_empty() and not opened[0] and not opened[1]:
			outcome = "Both tanks precisely filled! R: another run"
		elif time_left <= 0 and outcome == "":
			outcome = "Water service timed out. R: retry"
	queue_redraw()
func _draw() -> void:
	backdrop("WATER GATES", "Click gates: open / close | Fill BOTH tanks to 20 drops | Close early: falling drops still count | R: restart")
	draw_rect(Rect2(250, 112, 460, 65), Color("2588b5"))
	text_at("WATER SOURCE", Vector2(380, 155))
	for i in range(2):
		var x: float = 320 + i * 320
		draw_line(Vector2(x, 177), Vector2(x, 210), Color("6fbde8"), 12)
		draw_rect(gate(i), Color("287b65") if opened[i] else Color("9e5263"))
		text_at("OPEN" if opened[i] else "CLOSED", gate(i).position + Vector2(7, 36), 20)
		draw_rect(Rect2(x - 100, 330, 200, 225), Color("182f49"), false, 4)
		draw_rect(Rect2(x - 95, 555 - levels[i] * 8, 190, levels[i] * 8), Color("329fd2"))
		draw_line(Vector2(x - 105, 395), Vector2(x + 105, 395), Color("ffcd6b"), 3)
		text_at("%d / 20" % levels[i], Vector2(x - 35, 590))
	for d in drops:
		draw_circle(d["p"], 7, Color("79d7ff"))
	text_at("Time %d" % ceili(maxf(0, time_left)), Vector2(25, 120), 20)
	text_at(outcome, Vector2(190, 626), 23)
''')
GAMES[30] = ("Shuttle Platforms", '''extends Node2D
var player: Vector2 = Vector2(60, 465)
var vy: float = 0.0
var platforms: Array[Rect2] = []
var grounded: int = -2
var clock: float = 0.0
var carrying: bool = true
var lives: int = 3
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	player = Vector2(60, 465)
	vy = 0
	clock = 0
	carrying = true
	lives = 3
	grounded = -2
	outcome = ""
	platforms = [Rect2(230, 430, 100, 16), Rect2(425, 360, 100, 16), Rect2(620, 430, 100, 16)]
func _physics_process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		clock += dt
		for i in range(3):
			var previous_x: float = platforms[i].position.x
			platforms[i].position.x = 230 + i * 195 + sin(clock * 1.2 + i * 1.8) * 38
			if grounded == i:
				player.x += platforms[i].position.x - previous_x
		if Input.is_action_just_pressed("ui_accept") and grounded != -1:
			vy = -445
			grounded = -1
		player.x = clampf(player.x + Input.get_axis("ui_left", "ui_right") * 235 * dt, 0, 935)
		var old_bottom: float = player.y + 35
		vy += 900 * dt
		player.y += vy * dt
		grounded = -1
		var surfaces: Array[Rect2] = platforms.duplicate()
		surfaces.append(Rect2(0, 500, 155, 30))
		surfaces.append(Rect2(815, 500, 145, 30))
		if vy >= 0:
			for i in range(surfaces.size()):
				var r: Rect2 = surfaces[i]
				if old_bottom <= r.position.y + 3 and player.y + 35 >= r.position.y and player.x + 25 > r.position.x and player.x < r.end.x:
					player.y = r.position.y - 35
					vy = 0
					grounded = i if i < 3 else -2
		if player.y > 650:
			lives -= 1
			player = Vector2(60 if carrying else 875, 465)
			vy = 0
			grounded = -2
			if lives == 0:
				outcome = "Three falls. R: try the delivery again"
		if carrying and player.x > 870 and grounded == -2:
			carrying = false
		if not carrying and player.x < 85 and grounded == -2:
			outcome = "Delivered and returned safely! R: new route"
	queue_redraw()
func _draw() -> void:
	backdrop("SHUTTLE PLATFORMS", "Left / Right: move | Space: jump | Deliver the box at right, then return left | R: restart")
	draw_rect(Rect2(0, 500, 155, 140), Color("334966"))
	draw_rect(Rect2(815, 500, 145, 140), Color("334966"))
	for p in platforms:
		draw_rect(p, Color("5ef2d0"))
	draw_rect(Rect2(player, Vector2(25, 35)), Color("79bbff"))
	if carrying:
		draw_rect(Rect2(player + Vector2(3, -20), Vector2(20, 20)), Color("ffcd6b"))
	else:
		draw_rect(Rect2(898, 472, 28, 28), Color("ffcd6b"))
	text_at("HOME", Vector2(35, 555), 20)
	text_at("DEPOT", Vector2(845, 555), 20)
	text_at("Lives %d | %s" % [lives, "Carry box to depot" if carrying else "Box delivered - return HOME"], Vector2(230, 125))
	text_at(outcome, Vector2(260, 605), 24)
''')
GAMES[31] = ("Driveway Plow", '''extends Node2D
const W: int = 10
const H: int = 7
const CELL: int = 56
var snow: Dictionary = {}
var piles: Dictionary = {}
var player: Vector2i = Vector2i(4, 6)
var moves: int = 0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	snow.clear()
	piles.clear()
	for y in range(1, 6):
		piles[Vector2i(0, y)] = 0
		piles[Vector2i(9, y)] = 0
		for x in [2, 3, 6, 7]:
			snow[Vector2i(x, y)] = true
	player = Vector2i(4, 6)
	moves = 0
	outcome = ""
func inside(p: Vector2i) -> bool:
	return p.x >= 0 and p.y >= 0 and p.x < W and p.y < H
func step(direction: Vector2i) -> void:
	if outcome != "":
		return
	var next: Vector2i = player + direction
	if not inside(next) or piles.has(next):
		return
	if snow.has(next):
		var chain: Array[Vector2i] = []
		var end: Vector2i = next
		while snow.has(end):
			chain.append(end)
			end += direction
		if not inside(end):
			return
		if (end.y == 0 or end.y == 6) and (end.x == 4 or end.x == 5):
			outcome = "Snow blocked the garage exit corridor. R: retry"
			return
		for i in range(chain.size() - 1, -1, -1):
			var dest: Vector2i = chain[i] + direction
			snow.erase(chain[i])
			if piles.has(dest):
				piles[dest] += 1
			else:
				snow[dest] = true
	player = next
	moves += 1
	if snow.is_empty():
		outcome = "Every driveway tile cleared; exit remains open! R: restart"
func _input(event: InputEvent) -> void:
	if event is InputEventKey and event.pressed and not event.echo:
		if event.keycode == KEY_R:
			reset()
		elif event.keycode == KEY_LEFT:
			step(Vector2i.LEFT)
		elif event.keycode == KEY_RIGHT:
			step(Vector2i.RIGHT)
		elif event.keycode == KEY_UP:
			step(Vector2i.UP)
		elif event.keycode == KEY_DOWN:
			step(Vector2i.DOWN)
	queue_redraw()
func center(p: Vector2i) -> Vector2:
	return Vector2(200, 155) + Vector2(p) * CELL + Vector2.ONE * 28
func _draw() -> void:
	backdrop("DRIVEWAY PLOW", "Tap arrows: move and push snow | Push into green side piles | Keep the yellow exit open | R: restart")
	for y in range(H):
		for x in range(W):
			var p: Vector2i = Vector2i(x, y)
			var color: Color = Color("28394e")
			if piles.has(p):
				color = Color("26785e")
			elif (y == 0 or y == 6) and (x == 4 or x == 5):
				color = Color("827035")
			draw_rect(Rect2(center(p) - Vector2.ONE * 27, Vector2(54, 54)), color)
			if snow.has(p):
				draw_circle(center(p), 21, Color("d5ebff"))
			if piles.has(p):
				text_at(str(piles[p]), center(p) + Vector2(-6, 7), 19)
	draw_rect(Rect2(center(player) - Vector2(17, 17), Vector2(34, 34)), Color("ff955b"))
	text_at("Snow tiles left %d / 20    Moves %d" % [snow.size(), moves], Vector2(270, 585))
	text_at(outcome, Vector2(145, 625), 21)
''')
GAMES[32] = ("Shepherd Gate", '''extends Node2D
var sheep: Array[Vector2] = []
var secured: Array[bool] = []
var shepherd: Vector2 = Vector2(160, 340)
var time_left: float = 90.0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	sheep = [Vector2(240, 235), Vector2(360, 295), Vector2(270, 415), Vector2(410, 440), Vector2(460, 215)]
	secured = [false, false, false, false, false]
	shepherd = Vector2(160, 340)
	time_left = 90
	outcome = ""
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		time_left -= dt
		shepherd = get_global_mouse_position()
		shepherd.x = clampf(shepherd.x, 35, 660)
		shepherd.y = clampf(shepherd.y, 125, 575)
		# The marked entrance is reserved for sheep: shepherd stays outside it.
		if shepherd.x > 595 and shepherd.y > 265 and shepherd.y < 415:
			shepherd.x = 595
		for i in range(sheep.size()):
			if secured[i]:
				continue
			var velocity: Vector2 = Vector2.ZERO
			var away: Vector2 = sheep[i] - shepherd
			if away.length() < 145:
				velocity += away.normalized() * (145 - away.length()) * 1.1
			for j in range(sheep.size()):
				if i != j and not secured[j]:
					var separation: Vector2 = sheep[i] - sheep[j]
					if separation.length() < 38:
						velocity += separation.normalized() * 35
			var next: Vector2 = sheep[i] + velocity.limit_length(110) * dt
			next.y = clampf(next.y, 140, 555)
			next.x = maxf(next.x, 50)
			if next.x > 680 and (next.y < 285 or next.y > 395):
				next.x = 680
			if next.x >= 690 and next.y >= 285 and next.y <= 395:
				secured[i] = true
				next = Vector2(750 + (i % 2) * 85, 230 + (i / 2) * 80)
			sheep[i] = next
		var count: int = 0
		for done in secured:
			if done:
				count += 1
		if count == sheep.size():
			outcome = "Every sheep penned; gate corridor clear! R: replay"
		elif time_left <= 0:
			outcome = "Time ran out. Approach from behind each sheep. R: retry"
	queue_redraw()
func _draw() -> void:
	backdrop("SHEPHERD GATE", "Mouse: shepherd repels nearby sheep | Herd them through the right-side gate | Keep corridor clear | R: restart")
	draw_rect(Rect2(30, 120, 650, 465), Color("1a3b37"))
	draw_rect(Rect2(700, 160, 220, 380), Color("285746"))
	draw_rect(Rect2(595, 285, 105, 110), Color("746532"))
	draw_line(Vector2(690, 120), Vector2(690, 278), Color("c1cfe8"), 8)
	draw_line(Vector2(690, 402), Vector2(690, 585), Color("c1cfe8"), 8)
	text_at("PEN", Vector2(775, 145))
	var count: int = 0
	for i in range(sheep.size()):
		draw_circle(sheep[i], 16, Color.WHITE)
		draw_circle(sheep[i] + Vector2(10, 0), 7, Color("68798b"))
		if secured[i]:
			count += 1
	draw_circle(shepherd, 15, Color("ff9568"))
	draw_arc(shepherd, 145, 0, TAU, 48, Color(1, 0.7, 0.4, 0.18), 1)
	text_at("Penned %d / 5    Time %d" % [count, ceili(maxf(time_left, 0))], Vector2(220, 610))
	text_at(outcome, Vector2(120, 108), 22)
''')


def main():
    # Access only the explicitly assigned training prompt IDs; no blind file read.
    wanted = {f"vg8b-teacher-v1-{i:03d}" for i in list(range(21, 33)) + list(range(65, 85))}
    prompts = {}
    with (ROOT / "data/teacher_prompts.jsonl").open() as handle:
        for line in handle:
            row = json.loads(line)
            if row["id"] in wanted:
                prompts[row["id"]] = row["instruction"]
    if set(prompts) != wanted:
        raise RuntimeError("Missing assigned training prompts")
    rows, provenance = [], []
    for number, (title, source) in sorted(GAMES.items()):
        identity = f"vg8b-teacher-v1-{number:03d}"
        files = {"project.godot": PROJECT % title, "main.tscn": SCENE, "main.gd": source + HELPERS}
        output = json.dumps({"files": files}, ensure_ascii=False, separators=(",", ":"))
        parse_project(output)
        rows.append({"instruction": prompts[identity], "output": output})
        provenance.append({"prompt_id": identity, "title": title, "project_sha256": project_sha256(files),
                           "output_sha256": hashlib.sha256(output.encode()).hexdigest(),
                           "gdscript_characters": len(files["main.gd"]), "static_contract_pass": True})
    output_path = ROOT / "data/codex_teacher_batch_b.jsonl"
    temporary = output_path.with_suffix(".tmp")
    temporary.write_text("".join(json.dumps(row, ensure_ascii=False) + "\n" for row in rows))
    temporary.replace(output_path)
    report = {"authorship": "Original in-session Codex teacher authorship; not generated by the local 14B sampler.",
              "source": "Independently implemented game mechanics responding to assigned training prompts 021–032 and 065–084.",
              "license": "Apache-2.0", "assets": "Procedural Godot drawing and bundled default font only; no third-party game assets.",
              "shared_boilerplate": "Canonical Godot project/scene and text drawing helpers follow the repository's original seeds.",
              "blind_prompts_read": False, "engine_validation": "NOT RUN. Pending Linux import and full 60-second check; these are candidates, not admitted training data.",
              "candidates_sha256": hashlib.sha256(output_path.read_bytes()).hexdigest(), "count": len(rows), "games": provenance}
    (ROOT / "data/codex_teacher_batch_b_provenance.json").write_text(json.dumps(report, indent=2) + "\n")
    print(json.dumps({"candidates": len(rows), "static_contract": "passed", "max_gdscript_characters": max(x["gdscript_characters"] for x in provenance), "engine_validation": "pending"}))



GAMES[65] = ("Landing Lines", '''extends Node2D
var planes: Array[Dictionary] = []
var zones: Array[Vector2] = [Vector2(770, 210), Vector2(770, 480)]
var selected: int = -1
var created: int = 0
var landed: int = 0
var spawn: float = 0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	planes.clear()
	selected = -1
	created = 0
	landed = 0
	spawn = 0
	outcome = ""
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and e.keycode == KEY_R:
		reset()
	if e is InputEventMouseButton and e.button_index == MOUSE_BUTTON_LEFT:
		if e.pressed:
			selected = -1
			for i in range(planes.size()):
				if planes[i]["p"].distance_to(e.position) < 25:
					selected = i
					planes[i]["path"] = []
		else:
			selected = -1
	if e is InputEventMouseMotion and selected >= 0 and selected < planes.size():
		var path: Array = planes[selected]["path"]
		if path.is_empty() or path[-1].distance_to(e.position) > 18:
			path.append(e.position)
func _process(dt: float) -> void:
	if outcome == "":
		spawn -= dt
		if spawn <= 0 and created < 8:
			planes.append({"p": Vector2(50, 170 + (created % 2) * 320), "zone": created % 2, "path": []})
			created += 1
			spawn = 5.5
		for i in range(planes.size() - 1, -1, -1):
			var p: Dictionary = planes[i]
			var path: Array = p["path"]
			if not path.is_empty():
				p["p"] = p["p"].move_toward(path[0], 85 * dt)
				if p["p"].distance_to(path[0]) < 2:
					path.pop_front()
			else:
				p["p"] += Vector2(23 * dt, 0)
			if p["p"].distance_to(zones[p["zone"]]) < 24:
				planes.remove_at(i)
				selected = -1
				landed += 1
			elif p["p"].x > 950 or p["p"].y < 90 or p["p"].y > 630:
				outcome = "Plane left the airspace! R: retry"
		for i in range(planes.size()):
			for j in range(i):
				if planes[i]["p"].distance_to(planes[j]["p"]) < 27:
					outcome = "Loss of separation! R: retry"
		if landed == 8:
			outcome = "Eight safe landings! R: another shift"
	queue_redraw()
func _draw() -> void:
	backdrop("LANDING LINES", "Drag from a plane to draw its route | Match landing-zone color | Keep planes separated | R: restart")
	for i in range(2):
		draw_circle(zones[i], 38, Color("286c90") if i == 0 else Color("806631"))
		text_at(str(i + 1), zones[i] + Vector2(-8, 9), 28)
	for p in planes:
		var previous: Vector2 = p["p"]
		for point in p["path"]:
			draw_line(previous, point, Color("526d88"), 2)
			previous = point
		draw_circle(p["p"], 12, Color("79d7ff") if p["zone"] == 0 else Color("ffcd6b"))
	text_at("Landed %d / 8" % landed, Vector2(35, 610))
	text_at(outcome, Vector2(330, 610), 24)
''')
GAMES[66] = ("Six Plot Farm", '''extends Node2D
var plants: Array[Dictionary] = []
var water: int = 12
var harvest: int = 0
var wilted: int = 0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	plants.clear()
	for i in range(6):
		plants.append({"stage": 0, "moisture": 0.0, "growth": 0.0})
	water = 12
	harvest = 0
	wilted = 0
	outcome = ""
func plot(i: int) -> Rect2:
	return Rect2(170 + (i % 3) * 215, 175 + (i / 3) * 185, 185, 155)
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and e.keycode == KEY_R:
		reset()
	if outcome == "" and e is InputEventMouseButton and e.pressed and e.button_index == MOUSE_BUTTON_LEFT:
		for i in range(6):
			if plot(i).has_point(e.position):
				var p: Dictionary = plants[i]
				if p["stage"] == 0:
					p["stage"] = 1
					p["moisture"] = 70.0
				elif p["stage"] == 2:
					p["stage"] = 3
					harvest += 1
				elif p["stage"] == 1 and water > 0:
					p["moisture"] = minf(100, p["moisture"] + 55)
					water -= 1
func _process(dt: float) -> void:
	if outcome == "":
		for p in plants:
			if p["stage"] == 1:
				p["moisture"] -= 8 * dt
				p["growth"] += 6 * dt
				if p["moisture"] <= 0:
					p["stage"] = 4
					wilted += 1
				elif p["growth"] >= 100:
					p["stage"] = 2
		if harvest == 6:
			outcome = "All six crops harvested! R: replant"
		elif wilted > 0:
			outcome = "A plant wilted. R: restart the farm"
	queue_redraw()
func _draw() -> void:
	backdrop("SIX PLOT FARM", "Click empty plot: plant | Click growing crop: spend water | Click gold crop: harvest | R: restart")
	for i in range(6):
		var p: Dictionary = plants[i]
		var r: Rect2 = plot(i)
		draw_rect(r, Color("684b38"))
		if p["stage"] == 1 or p["stage"] == 2:
			draw_circle(r.get_center() - Vector2(0, 14), 15 + p["growth"] * 0.2, Color("ffcd6b") if p["stage"] == 2 else Color("5ed27b"))
			draw_rect(Rect2(r.position + Vector2(10, 115), Vector2(p["moisture"] * 1.65, 12)), Color("79d7ff"))
			text_at("Growth %d%%" % int(p["growth"]), r.position + Vector2(22, 149), 17)
		else:
			text_at(["PLANT", "", "", "HARVESTED", "WILTED"][p["stage"]], r.position + Vector2(23, 80), 20)
	text_at("Water %d / 12    Harvest %d / 6" % [water, harvest], Vector2(300, 570))
	text_at(outcome, Vector2(250, 620), 24)
''')
GAMES[67] = ("Three Barrier Bankshot", '''extends Node2D
var barriers: Array[Rect2] = []
var ball: Vector2 = Vector2(125, 490)
var velocity: Vector2 = Vector2(210, -150)
var running: bool = false
var bounces: int = 0
var horizontal: bool = true
var outcome: String = ""
var timer: float = 0
func reset() -> void:
	barriers.clear()
	ball = Vector2(125, 490)
	velocity = Vector2(210, -150)
	running = false
	bounces = 0
	timer = 0
	outcome = ""
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and not e.echo:
		if e.keycode == KEY_R:
			reset()
		elif e.keycode == KEY_SPACE and barriers.size() == 3 and outcome == "":
			running = true
	if e is InputEventMouseButton and e.pressed and not running:
		if e.button_index == MOUSE_BUTTON_RIGHT:
			horizontal = not horizontal
		elif e.button_index == MOUSE_BUTTON_LEFT and barriers.size() < 3 and e.position.y > 160:
			var size: Vector2 = Vector2(120, 18) if horizontal else Vector2(18, 120)
			var rect: Rect2 = Rect2(e.position - size / 2, size)
			if not rect.grow(25).has_point(ball) and not rect.grow(35).has_point(Vector2(785, 425)):
				barriers.append(rect)
func _process(dt: float) -> void:
	if running and outcome == "":
		timer += dt
		var previous: Vector2 = ball
		ball += velocity * dt
		if ball.x < 55 or ball.x > 905:
			velocity.x *= -1
			ball.x = clampf(ball.x, 55, 905)
			bounces += 1
		if ball.y < 155 or ball.y > 565:
			velocity.y *= -1
			ball.y = clampf(ball.y, 155, 565)
			bounces += 1
		for r in barriers:
			if r.grow(9).has_point(ball) and not r.grow(9).has_point(previous):
				if previous.x < r.position.x - 9 or previous.x > r.end.x + 9:
					velocity.x *= -1
				else:
					velocity.y *= -1
				ball = previous
				bounces += 1
		if ball.distance_to(Vector2(785, 425)) < 30:
			outcome = "Target reached in %d bounces! R: rebuild" % bounces
		elif bounces > 5 or timer > 25:
			outcome = "Route failed. R: place a new layout"
	queue_redraw()
func _draw() -> void:
	backdrop("THREE BARRIER BANKSHOT", "Left click: place | Right click: rotate next barrier | Place three then Space: launch | R: restart")
	draw_rect(Rect2(45, 145, 870, 430), Color("46617d"), false, 3)
	draw_circle(Vector2(785, 425), 30, Color("287d60"))
	for r in barriers:
		draw_rect(r, Color("ffcd6b"))
	draw_circle(ball, 9, Color.WHITE)
	if not running:
		draw_line(ball, ball + velocity.normalized() * 75, Color("79d7ff"), 3)
	text_at("Barriers %d / 3   Bounces %d / 5   Next: %s" % [barriers.size(), bounces, "horizontal" if horizontal else "vertical"], Vector2(110, 122), 20)
	text_at(outcome, Vector2(215, 618), 24)
''')
GAMES[68] = ("Merge To 128", '''extends Node2D
var board: Array[int] = []
var score: int = 0
var outcome: String = ""
func _ready() -> void:
	reset()
func reset() -> void:
	board.clear()
	board.resize(16)
	board.fill(0)
	score = 0
	outcome = ""
	spawn()
	spawn()
func spawn() -> void:
	var empty: Array[int] = []
	for i in range(16):
		if board[i] == 0:
			empty.append(i)
	if not empty.is_empty():
		board[empty[randi_range(0, empty.size() - 1)]] = 2
func slide(direction: int) -> void:
	if outcome != "":
		return
	var before: Array[int] = board.duplicate()
	for line in range(4):
		var ids: Array[int] = []
		for n in range(4):
			var index: int = line * 4 + n
			if direction == 1:
				index = line * 4 + 3 - n
			elif direction == 2:
				index = n * 4 + line
			elif direction == 3:
				index = (3 - n) * 4 + line
			ids.append(index)
		var values: Array[int] = []
		for index in ids:
			if board[index] > 0:
				values.append(board[index])
		var merged: Array[int] = []
		var n: int = 0
		while n < values.size():
			if n + 1 < values.size() and values[n] == values[n + 1]:
				merged.append(values[n] * 2)
				score += values[n] * 2
				n += 2
			else:
				merged.append(values[n])
				n += 1
		for i in range(4):
			board[ids[i]] = merged[i] if i < merged.size() else 0
	if board != before:
		spawn()
	var possible: bool = board.has(0)
	for y in range(4):
		for x in range(4):
			var i: int = y * 4 + x
			if board[i] >= 128:
				outcome = "128 reached! R: a new board"
			if x < 3 and board[i] == board[i + 1]:
				possible = true
			if y < 3 and board[i] == board[i + 4]:
				possible = true
	if not possible and outcome == "":
		outcome = "No legal moves. R: retry"
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and not e.echo:
		if e.keycode == KEY_R:
			reset()
		elif e.keycode == KEY_LEFT:
			slide(0)
		elif e.keycode == KEY_RIGHT:
			slide(1)
		elif e.keycode == KEY_UP:
			slide(2)
		elif e.keycode == KEY_DOWN:
			slide(3)
	queue_redraw()
func _draw() -> void:
	backdrop("MERGE TO 128", "Arrow keys: slide | Equal neighbors merge once per move | Reach 128 | R: restart")
	for i in range(16):
		var p: Vector2 = Vector2(270 + (i % 4) * 108, 120 + (i / 4) * 108)
		draw_rect(Rect2(p, Vector2(100, 100)), Color("273b55") if board[i] == 0 else Color.from_hsv(log(float(board[i])) * 0.06, 0.55, 0.9))
		if board[i] > 0:
			text_at(str(board[i]), p + Vector2(30, 61), 29)
	text_at("Score %d" % score, Vector2(95, 160))
	text_at(outcome, Vector2(280, 606), 25)
''')
GAMES[69] = ("Fragile Freight", '''extends Node2D
var cart: float = 110
var speed: float = 0
var cargo: float = 0
var cargo_speed: float = 0
var timer: float = 25
var outcome: String = ""
func reset() -> void:
	cart = 110
	speed = 0
	cargo = 0
	cargo_speed = 0
	timer = 25
	outcome = ""
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		timer -= dt
		var acceleration: float = Input.get_axis("ui_left", "ui_right") * 95 - speed * 0.15
		speed = clampf(speed + acceleration * dt, -150, 150)
		cart += speed * dt
		cargo_speed += (-acceleration * 0.25 - cargo_speed * 0.85 - cargo * 0.2) * dt
		cargo += cargo_speed * dt
		if absf(cargo) > 65 or cart < 70:
			outcome = "Cargo fell or cart left the road! R: retry"
		elif cart >= 830 and absf(speed) < 28:
			outcome = "Cargo delivered intact! R: drive again"
		elif cart > 920 or timer <= 0:
			outcome = "Missed the stopping zone! R: retry"
	queue_redraw()
func _draw() -> void:
	backdrop("FRAGILE FREIGHT", "Left / Right: accelerate or brake | Carry the loose ball into green zone and stop | R: restart")
	draw_rect(Rect2(800, 370, 120, 150), Color("214f41"))
	draw_line(Vector2(50, 500), Vector2(930, 500), Color("c1cfe8"), 5)
	draw_rect(Rect2(cart - 70, 450, 140, 20), Color("79bbff"))
	draw_circle(Vector2(cart - 45, 483), 16, Color("62758f"))
	draw_circle(Vector2(cart + 45, 483), 16, Color("62758f"))
	draw_circle(Vector2(cart + cargo, 432), 17, Color("ffcd6b"))
	text_at("Speed %.0f   Cargo offset %.0f   Time %.1f" % [speed, cargo, maxf(timer, 0)], Vector2(240, 170))
	text_at("DESTINATION", Vector2(795, 355), 18)
	text_at(outcome, Vector2(240, 590), 25)
''')
GAMES[70] = ("One Thing Changed", '''extends Node2D
var objects: Array[Vector2] = []
var changed: int = 0
var stage: int = 0
var clock: float = 0
var solved: int = 0
var mistakes: int = 0
var outcome: String = ""
func _ready() -> void:
	new_scene()
func new_scene() -> void:
	objects.clear()
	for i in range(6):
		objects.append(Vector2(235 + (i % 3) * 230, 230 + (i / 3) * 210))
	changed = randi_range(0, 5)
	stage = 0
	clock = 0
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and e.keycode == KEY_R:
		solved = 0
		mistakes = 0
		outcome = ""
		new_scene()
	if e is InputEventMouseButton and e.pressed and e.button_index == MOUSE_BUTTON_LEFT and stage == 2 and outcome == "":
		if e.position.distance_to(objects[changed]) < 40:
			solved += 1
		else:
			mistakes += 1
		if solved == 5:
			outcome = "Five changes spotted! R: play again"
		elif mistakes == 3:
			outcome = "Three misses. R: look more closely"
		else:
			new_scene()
func _process(dt: float) -> void:
	if outcome == "":
		clock += dt
		if stage == 0 and clock > 2.7:
			stage = 1
			clock = 0
		elif stage == 1 and clock > 0.7:
			objects[changed].x += 65 if changed % 2 == 0 else -65
			stage = 2
	queue_redraw()
func _draw() -> void:
	backdrop("ONE THING CHANGED", "Memorize the scene | After the brief curtain, click the object that moved | R: restart")
	text_at(["MEMORIZE", "CURTAIN", "WHICH OBJECT MOVED?"][stage], Vector2(330, 125), 25)
	if stage != 1:
		for i in range(objects.size()):
			var color: Color = Color.from_hsv(i * 0.15, 0.65, 0.95)
			if i % 2 == 0:
				draw_circle(objects[i], 33, color)
			else:
				draw_rect(Rect2(objects[i] - Vector2.ONE * 31, Vector2.ONE * 62), color)
			text_at(str(i + 1), objects[i] + Vector2(-7, 8), 25)
	else:
		draw_rect(Rect2(140, 160, 670, 360), Color("27344c"))
	text_at("Found %d / 5     Misses %d / 3" % [solved, mistakes], Vector2(300, 565))
	text_at(outcome, Vector2(280, 615), 25)
''')
GAMES[71] = ("Gentle Tension", '''extends Node2D
var angle: float = 0
var sweet: float = 0.45
var tension: float = 0
var opened: float = 0
var picks: int = 3
var outcome: String = ""
func reset() -> void:
	angle = 0
	sweet = randf_range(-1.0, 1.0)
	tension = 0
	opened = 0
	picks = 3
	outcome = ""
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		angle = clampf(angle + Input.get_axis("ui_left", "ui_right") * dt, -1.2, 1.2)
		if Input.is_action_pressed("ui_accept"):
			tension = minf(1, tension + dt * 0.75)
			if absf(angle - sweet) < 0.13:
				opened += dt * tension * 0.6
			elif tension > 0.62:
				picks -= 1
				tension = 0
				opened = 0
		else:
			tension = maxf(0, tension - dt * 2.5)
		if opened >= 1:
			outcome = "Lock opened without force! R: another lock"
		elif picks <= 0:
			outcome = "All three picks broke. R: retry gently"
	queue_redraw()
func _draw() -> void:
	backdrop("GENTLE TENSION", "Left / Right: rotate pick | Hold Space gently to test and turn | Release to ease tension | R: restart")
	draw_circle(Vector2(480, 345), 150, Color("52617a"))
	draw_circle(Vector2(480, 345), 105, Color("24344c"))
	var tip: Vector2 = Vector2(0, -160).rotated(angle)
	draw_line(Vector2(480, 345), Vector2(480, 345) + tip, Color("ffcd6b"), 8)
	draw_line(Vector2(480, 345), Vector2(480, 345) + Vector2(70, 0).rotated(opened * PI * 0.5), Color.WHITE, 12)
	var near: bool = absf(angle - sweet) < 0.13
	text_at("The cylinder yields!" if near and tension > 0 else "Probe lightly; resistance means the angle is wrong.", Vector2(235, 145), 21)
	draw_rect(Rect2(300, 530, tension * 360, 20), Color("ff6176") if tension > 0.6 and not near else Color("5ef2d0"))
	text_at("Tension    Picks %d    Open %d%%" % [picks, int(opened * 100)], Vector2(290, 585))
	text_at(outcome, Vector2(250, 625), 23)
''')
GAMES[72] = ("Paper Airflow", '''extends Node2D
var fans: Array[Dictionary] = []
var plane: Vector2 = Vector2(125, 440)
var velocity: Vector2 = Vector2(65, 0)
var facing: int = 3
var running: bool = false
var timer: float = 0
var outcome: String = ""
var directions: Array[Vector2] = [Vector2.RIGHT, Vector2.DOWN, Vector2.LEFT, Vector2.UP]
func reset() -> void:
	fans.clear()
	plane = Vector2(125, 440)
	velocity = Vector2(65, 0)
	running = false
	timer = 0
	outcome = ""
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and not e.echo:
		if e.keycode == KEY_R:
			reset()
		elif e.keycode == KEY_SPACE and fans.size() == 2:
			running = true
	if e is InputEventMouseButton and e.pressed and not running:
		if e.button_index == MOUSE_BUTTON_RIGHT:
			facing = (facing + 1) % 4
		elif e.button_index == MOUSE_BUTTON_LEFT and fans.size() < 2 and e.position.y > 150:
			fans.append({"p": e.position, "direction": facing})
func _process(dt: float) -> void:
	if running and outcome == "":
		timer += dt
		for fan in fans:
			if plane.distance_to(fan["p"]) < 125:
				velocity = velocity.move_toward(directions[fan["direction"]] * 95, 165 * dt)
		plane += velocity * dt
		if plane.distance_to(Vector2(790, 225)) < 35:
			outcome = "Mail delivered by airflow! R: redesign"
		elif plane.x < 30 or plane.x > 930 or plane.y < 125 or plane.y > 590 or timer > 18:
			outcome = "Paper missed the mailbox. R: redesign fans"
	queue_redraw()
func _draw() -> void:
	backdrop("PAPER AIRFLOW", "Left click: place fan | Right click: rotate next fan | Place TWO then Space: launch | R: restart")
	for fan in fans:
		draw_arc(fan["p"], 125, 0, TAU, 48, Color("345068"), 2)
		draw_circle(fan["p"], 20, Color("5ef2d0"))
		draw_line(fan["p"], fan["p"] + directions[fan["direction"]] * 48, Color.WHITE, 5)
	draw_rect(Rect2(760, 195, 60, 60), Color("ffcd6b"))
	text_at("MAIL", Vector2(761, 185), 20)
	draw_colored_polygon(PackedVector2Array([plane + Vector2(16, 0), plane + Vector2(-12, -9), plane + Vector2(-6, 0), plane + Vector2(-12, 9)]), Color.WHITE)
	text_at("Fans %d / 2    Next direction: %s" % [fans.size(), ["RIGHT", "DOWN", "LEFT", "UP"][facing]], Vector2(270, 125), 20)
	text_at(outcome, Vector2(230, 625), 25)
''')
GAMES[73] = ("Marble Bend", '''extends Node2D
var chain: Array[int] = [0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2]
var progress: float = 0
var next_color: int = 0
var shot: Vector2 = Vector2.ZERO
var shot_velocity: Vector2 = Vector2.ZERO
var active: bool = false
var removed: int = 0
var outcome: String = ""
var colors: Array[Color] = [Color("ff786e"), Color("79d7ff"), Color("ffcd6b")]
func reset() -> void:
	chain = [0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2]
	progress = 0
	next_color = 0
	active = false
	removed = 0
	outcome = ""
func path(t: float) -> Vector2:
	return Vector2(150 + t, 255 + sin(t / 130.0) * 70)
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and e.keycode == KEY_R:
		reset()
	if e is InputEventMouseButton and e.pressed and e.button_index == MOUSE_BUTTON_LEFT and not active and outcome == "":
		shot = Vector2(480, 540)
		shot_velocity = (e.position - shot).normalized() * 450
		active = true
func _process(dt: float) -> void:
	if outcome == "":
		progress += 7 * dt
		if active:
			shot += shot_velocity * dt
			for i in range(chain.size()):
				if shot.distance_to(path(progress + i * 31)) < 28:
					chain.insert(i, next_color)
					var left: int = i
					var right: int = i
					while left > 0 and chain[left - 1] == next_color:
						left -= 1
					while right + 1 < chain.size() and chain[right + 1] == next_color:
						right += 1
					if right - left + 1 >= 3:
						removed += right - left + 1
						for j in range(right - left + 1):
							chain.remove_at(left)
					next_color = (next_color + 1) % 3
					active = false
					break
			if shot.y < 95 or shot.x < 10 or shot.x > 950:
				active = false
		if chain.is_empty():
			outcome = "Chain cleared! R: replay"
		elif progress + (chain.size() - 1) * 31 > 680:
			outcome = "Marbles reached the drain. R: retry"
	queue_redraw()
func _draw() -> void:
	backdrop("MARBLE BEND", "Click: launch the displayed marble toward the chain | Insert to make runs of three | R: restart")
	for t in range(0, 680, 10):
		draw_line(path(t), path(t + 10), Color("3c506a"), 4)
	draw_circle(path(680), 26, Color("9e4259"))
	for i in range(chain.size()):
		draw_circle(path(progress + i * 31), 14, colors[chain[i]])
	draw_circle(Vector2(480, 540), 23, colors[next_color])
	if active:
		draw_circle(shot, 13, colors[next_color])
	text_at("Removed %d    Remaining %d" % [removed, chain.size()], Vector2(290, 125))
	text_at(outcome, Vector2(310, 610), 25)
''')
GAMES[74] = ("Moon Window", '''extends Node2D
var angle: float = 0.0
var target: float = 4.0
var width: float = 0.8
var wins: int = 0
var misses: int = 0
var pause: float = 0
var outcome: String = ""
func reset() -> void:
	angle = 0
	target = 4
	width = 0.8
	wins = 0
	misses = 0
	pause = 0
	outcome = ""
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and not e.echo:
		if e.keycode == KEY_R:
			reset()
		elif e.keycode == KEY_SPACE and outcome == "" and pause <= 0:
			var distance: float = absf(wrapf(angle - target, -PI, PI))
			if distance < (width + 0.28) * 0.5:
				wins += 1
				width *= 0.77
				target = fposmod(target + 2.1, TAU)
			else:
				misses += 1
			pause = 0.45
			if wins == 6:
				outcome = "Six lunar alignments! R: replay"
			elif misses == 3:
				outcome = "Three missed windows. R: retry"
func _process(dt: float) -> void:
	if outcome == "":
		pause -= dt
		if pause <= 0:
			angle = fposmod(angle + (1.5 + wins * 0.22) * dt, TAU)
	queue_redraw()
func _draw() -> void:
	backdrop("MOON WINDOW", "Space: stop the moving lit sector while it overlaps the fixed gold sector | R: restart")
	draw_circle(Vector2(480, 340), 156, Color("22334d"))
	draw_arc(Vector2(480, 340), 150, target - width / 2, target + width / 2, 40, Color("ffcd6b"), 24)
	draw_arc(Vector2(480, 340), 150, angle - 0.14, angle + 0.14, 20, Color("79d7ff"), 18)
	text_at("ALIGN", Vector2(431, 350), 26)
	text_at("Aligned %d / 6    Missed %d / 3" % [wins, misses], Vector2(300, 545))
	text_at(outcome, Vector2(280, 610), 25)
''')
GAMES[75] = ("Torch Return", '''extends Node2D
var player: Vector2i = Vector2i(0, 4)
var treasures: Array[Vector2i] = [Vector2i(3, 3), Vector2i(7, 6), Vector2i(10, 4)]
var torch: float = 90
var outcome: String = ""
func reset() -> void:
	player = Vector2i(0, 4)
	treasures = [Vector2i(3, 3), Vector2i(7, 6), Vector2i(10, 4)]
	torch = 90
	outcome = ""
func wall(p: Vector2i) -> bool:
	return p.x < 0 or p.y < 0 or p.x >= 12 or p.y >= 9 or (p.x % 3 == 2 and p.y != 1 and p.y != 7)
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed:
		if e.keycode == KEY_R:
			reset()
		var direction: Vector2i = Vector2i.ZERO
		if e.keycode == KEY_LEFT:
			direction = Vector2i.LEFT
		elif e.keycode == KEY_RIGHT:
			direction = Vector2i.RIGHT
		elif e.keycode == KEY_UP:
			direction = Vector2i.UP
		elif e.keycode == KEY_DOWN:
			direction = Vector2i.DOWN
		if outcome == "" and not wall(player + direction):
			player += direction
			treasures.erase(player)
			if treasures.is_empty() and player == Vector2i(0, 4):
				outcome = "Three treasures brought home! R: explore again"
func _process(dt: float) -> void:
	if outcome == "":
		torch -= dt
		if torch <= 0:
			outcome = "Torch exhausted. R: try a shorter route"
	queue_redraw()
func _draw() -> void:
	backdrop("TORCH RETURN", "Arrows: explore the dark grid | Collect three treasures, then return to entrance | R: restart")
	for y in range(9):
		for x in range(12):
			var p: Vector2i = Vector2i(x, y)
			var r: Rect2 = Rect2(180 + x * 48, 135 + y * 48, 46, 46)
			if Vector2(p - player).length() <= 2.5:
				draw_rect(r, Color("52617a") if wall(p) else Color("293e55"))
				if treasures.has(p):
					draw_circle(r.get_center(), 12, Color("ffcd6b"))
				if p == Vector2i(0, 4):
					draw_rect(r.grow(-8), Color("5ef2d0"), false, 3)
			else:
				draw_rect(r, Color("0a101b"))
	draw_circle(Vector2(203, 158) + Vector2(player) * 48, 12, Color.WHITE)
	text_at("Treasures %d / 3    Torch %.0f" % [3 - treasures.size(), maxf(torch, 0)], Vector2(300, 605))
	text_at(outcome, Vector2(180, 115), 21)
''')
GAMES[76] = ("Four Piston Passage", '''extends Node2D
var ball: Vector2 = Vector2(180, 480)
var velocity: Vector2 = Vector2.ZERO
var pressure: Array[float] = [0.0, 0.0, 0.0, 0.0]
var corridor: Array[Rect2] = [Rect2(130, 415, 285, 130), Rect2(295, 235, 120, 310), Rect2(295, 235, 365, 120), Rect2(540, 125, 120, 230), Rect2(540, 125, 285, 110)]
var hits: int = 0
var cooldown: float = 0
var outcome: String = ""
var directions: Array[Vector2] = [Vector2.LEFT, Vector2.RIGHT, Vector2.UP, Vector2.DOWN]
var actions: Array[String] = ["ui_left", "ui_right", "ui_up", "ui_down"]
func reset() -> void:
	ball = Vector2(180, 480)
	velocity = Vector2.ZERO
	pressure = [0.0, 0.0, 0.0, 0.0]
	hits = 0
	cooldown = 0
	outcome = ""
func safe(p: Vector2) -> bool:
	for offset in [Vector2(-12, 0), Vector2(12, 0), Vector2(0, -12), Vector2(0, 12)]:
		var ok: bool = false
		for r in corridor:
			if r.has_point(p + offset):
				ok = true
		if not ok:
			return false
	return true
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		cooldown -= dt
		for i in range(4):
			pressure[i] = move_toward(pressure[i], 1.0 if Input.is_action_pressed(actions[i]) else 0.0, dt * 3)
			velocity += directions[i] * pressure[i] * 250 * dt
		velocity *= exp(-3 * dt)
		var next: Vector2 = ball + velocity * dt
		if safe(next):
			ball = next
		else:
			velocity *= -0.3
			if cooldown <= 0:
				hits += 1
				cooldown = 0.7
		if ball.distance_to(Vector2(785, 180)) < 28:
			outcome = "Ball delivered through all bends! R: replay"
		elif hits >= 8:
			outcome = "Eight pressure collisions. R: use gentler pulses"
	queue_redraw()
func _draw() -> void:
	backdrop("FOUR PISTON PASSAGE", "Hold arrows: independent directional pistons build pressure | Guide ball through the zigzag | R: restart")
	for r in corridor:
		draw_rect(r, Color("263e57"))
	draw_circle(Vector2(785, 180), 28, Color("25855f"))
	for i in range(4):
		var origin: Vector2 = ball - directions[i] * (52 - pressure[i] * 20)
		draw_line(origin - directions[i] * 22, origin, Color("ffcd6b"), 14)
	draw_circle(ball, 12, Color.WHITE)
	text_at("Wall strikes %d / 8" % hits, Vector2(60, 585))
	text_at(outcome, Vector2(260, 625), 23)
''')
GAMES[77] = ("One Then Two", '''extends Node2D
var ball: Vector2 = Vector2(210, 430)
var velocity: Vector2 = Vector2.ZERO
var targets: Array[Vector2] = [Vector2(460, 300), Vector2(690, 330)]
var pockets: Array[Vector2] = [Vector2(110, 150), Vector2(850, 150), Vector2(110, 550), Vector2(850, 550)]
var order: int = 0
var dragging: bool = false
var drag_start: Vector2 = Vector2.ZERO
var shooting: bool = false
var shots: int = 0
var note: String = "Hit 1, then 2, then any corner pocket."
var outcome: String = ""
var contact: int = -1
func reset_ball() -> void:
	ball = Vector2(210, 430)
	velocity = Vector2.ZERO
	order = 0
	shooting = false
	contact = -1
func fail_shot(reason: String) -> void:
	note = reason + " Balls reset."
	reset_ball()
	if shots >= 5:
		outcome = "Five shots exhausted. R: retry"
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and e.keycode == KEY_R:
		shots = 0
		outcome = ""
		reset_ball()
	if e is InputEventMouseButton and e.button_index == MOUSE_BUTTON_LEFT and outcome == "" and not shooting:
		if e.pressed and e.position.distance_to(ball) < 30:
			dragging = true
			drag_start = e.position
		elif not e.pressed and dragging:
			dragging = false
			velocity = (drag_start - e.position).limit_length(220) * 3
			if velocity.length() > 25:
				shooting = true
				shots += 1
func _process(dt: float) -> void:
	if shooting and outcome == "":
		ball += velocity * dt
		velocity *= exp(-0.16 * dt)
		if ball.x < 120 or ball.x > 840:
			velocity.x *= -1
			ball.x = clampf(ball.x, 120, 840)
		if ball.y < 160 or ball.y > 540:
			velocity.y *= -1
			ball.y = clampf(ball.y, 160, 540)
		var touching: int = -1
		for i in range(2):
			if ball.distance_to(targets[i]) < 28:
				touching = i
				if contact != i:
					if i != order:
						fail_shot("Wrong ball order!")
						break
					order += 1
					var normal: Vector2 = (ball - targets[i]).normalized()
					velocity = velocity.bounce(normal)
					ball = targets[i] + normal * 29
		contact = touching
		for pocket in pockets:
			if ball.distance_to(pocket) < 30:
				if order == 2:
					outcome = "Correct order and pocket! R: replay"
				else:
					fail_shot("Pocketed before both contacts!")
		if shooting and velocity.length() < 20:
			fail_shot("Shot stopped short.")
	queue_redraw()
func _draw() -> void:
	backdrop("ONE THEN TWO", "Drag backward from cue ball, release to shoot | Hit numbered balls in order, then a pocket | R: restart")
	draw_rect(Rect2(100, 140, 760, 420), Color("205945"))
	for p in pockets:
		draw_circle(p, 27, Color("101b26"))
	for i in range(2):
		draw_circle(targets[i], 16, Color("ffcd6b") if i == 0 else Color("ff786e"))
		text_at(str(i + 1), targets[i] + Vector2(-6, 7), 20)
	draw_circle(ball, 12, Color.WHITE)
	if dragging:
		draw_line(ball, ball + (drag_start - get_global_mouse_position()).limit_length(220), Color("79d7ff"), 3)
	text_at("Contacts %d / 2   Shots %d / 5" % [order, shots], Vector2(300, 120), 20)
	text_at(note if outcome == "" else outcome, Vector2(210, 612), 23)
''')
GAMES[78] = ("Falling Symbols", '''extends Node2D
var symbols: Array[String] = ["+", "X", "O", "#"]
var target: Array[int] = [0, 2, 1, 3]
var rows: Array[Dictionary] = []
var next: int = 0
var completed: int = 0
var misses: int = 0
var spawn: float = 0
var outcome: String = ""
func reset() -> void:
	rows.clear()
	next = 0
	completed = 0
	misses = 0
	spawn = 0
	outcome = ""
func cell(row: Dictionary, column: int) -> Rect2:
	return Rect2(270 + column * 110, row["y"], 96, 46)
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and e.keycode == KEY_R:
		reset()
	if e is InputEventMouseButton and e.pressed and e.button_index == MOUSE_BUTTON_LEFT and outcome == "":
		for row in rows:
			for col in range(4):
				if cell(row, col).has_point(e.position) and not row["used"].has(col):
					if row["values"][col] == target[next]:
						row["used"].append(col)
						next += 1
						if next == 4:
							completed += 1
							next = 0
					else:
						misses += 1
					return
func _process(dt: float) -> void:
	if outcome == "":
		spawn -= dt
		if spawn <= 0:
			var values: Array[int] = [0, 1, 2, 3]
			values.shuffle()
			rows.append({"y": 175.0, "values": values, "used": []})
			spawn = 3
		for i in range(rows.size() - 1, -1, -1):
			rows[i]["y"] += 40 * dt
			if rows[i]["y"] > 550:
				if rows[i]["used"].size() < 4:
					misses += 1
				rows.remove_at(i)
		if completed >= 6:
			outcome = "Six symbol sequences completed! R: replay"
		elif misses >= 5:
			outcome = "Five mistakes or escaped rows. R: retry"
	queue_redraw()
func _draw() -> void:
	backdrop("FALLING SYMBOLS", "Read target left to right | Click the next required symbol in any falling row | R: restart")
	for i in range(4):
		draw_rect(Rect2(300 + i * 95, 100, 70, 50), Color("99763e") if i == next else Color("334966"))
		text_at(symbols[target[i]], Vector2(322 + i * 95, 136), 30)
	for row in rows:
		for col in range(4):
			draw_rect(cell(row, col), Color("203343") if row["used"].has(col) else Color("476587"))
			if not row["used"].has(col):
				text_at(symbols[row["values"][col]], cell(row, col).position + Vector2(37, 32), 27)
	draw_line(Vector2(200, 597), Vector2(770, 597), Color("ff6176"), 3)
	text_at("Sequences %d / 6   Misses %d / 5" % [completed, misses], Vector2(280, 625), 20)
	text_at(outcome, Vector2(235, 575), 22)
''')
GAMES[79] = ("Corner Runner", '''extends Node2D
var distance: float = 0
var jump: float = 0
var tokens: Array[bool] = [false, false, false, false]
var outcome: String = ""
var obstacles: Array[float] = [220.0, 760.0, 1150.0, 1660.0]
func reset() -> void:
	distance = 0
	jump = 0
	tokens = [false, false, false, false]
	outcome = ""
func point(t: float) -> Vector2:
	t = fposmod(t, 1840)
	if t < 600:
		return Vector2(180 + t, 190)
	if t < 920:
		return Vector2(780, 190 + t - 600)
	if t < 1520:
		return Vector2(780 - (t - 920), 510)
	return Vector2(180, 510 - (t - 1520))
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and not e.echo:
		if e.keycode == KEY_R:
			reset()
		elif e.keycode == KEY_SPACE and jump <= 0:
			jump = 0.65
func _process(dt: float) -> void:
	if outcome == "":
		distance += 175 * dt
		jump = maxf(0, jump - dt)
		var checkpoints: Array[float] = [0.0, 600.0, 920.0, 1520.0]
		for i in range(4):
			if absf(fposmod(distance - checkpoints[i] + 920, 1840) - 920) < 18:
				tokens[i] = true
		for obstacle in obstacles:
			if absf(fposmod(distance - obstacle + 920, 1840) - 920) < 22 and jump < 0.1:
				outcome = "Hit an obstacle! R: jump a little earlier"
		if distance >= 1840 and not tokens.has(false):
			outcome = "Four corner tokens and a clean lap! R: replay"
	queue_redraw()
func _draw() -> void:
	backdrop("CORNER RUNNER", "Automatic perimeter run | Space: jump inward over red obstacles | Collect four corner tokens | R: restart")
	draw_rect(Rect2(180, 190, 600, 320), Color("52617a"), false, 7)
	for t in obstacles:
		draw_rect(Rect2(point(t) - Vector2.ONE * 15, Vector2.ONE * 30), Color("ff6176"))
	var corners: Array[float] = [0.0, 600.0, 920.0, 1520.0]
	for i in range(4):
		if not tokens[i]:
			draw_circle(point(corners[i]), 14, Color("ffcd6b"))
	var p: Vector2 = point(distance)
	if jump > 0:
		p += (Vector2(480, 350) - p).normalized() * sin(jump / 0.65 * PI) * 75
	draw_rect(Rect2(p - Vector2.ONE * 11, Vector2.ONE * 22), Color("5ef2d0"))
	text_at("Lap %d%%    Tokens %d / 4" % [int(minf(distance / 1840, 1) * 100), tokens.count(true)], Vector2(315, 140))
	text_at(outcome, Vector2(220, 600), 24)
''')
GAMES[80] = ("Drifting Radio", '''extends Node2D
var settings: Array[float] = [0.25, 0.25]
var target: Array[float] = [0.5, 0.65]
var selected: int = -1
var clock: float = 0
var stable: float = 0
var outcome: String = ""
func reset() -> void:
	settings = [0.25, 0.25]
	clock = 0
	stable = 0
	outcome = ""
func slider(i: int) -> Rect2:
	return Rect2(180, 430 + i * 90, 600, 35)
func adjust(p: Vector2) -> void:
	if selected >= 0:
		settings[selected] = clampf((p.x - 180) / 600, 0, 1)
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and e.keycode == KEY_R:
		reset()
	if e is InputEventMouseButton and e.button_index == MOUSE_BUTTON_LEFT:
		if e.pressed:
			for i in range(2):
				if slider(i).grow(14).has_point(e.position):
					selected = i
			adjust(e.position)
		else:
			selected = -1
	if e is InputEventMouseMotion:
		adjust(e.position)
func _process(dt: float) -> void:
	if outcome == "":
		clock += dt
		target = [0.5 + sin(clock * 0.3) * 0.18, 0.5 + cos(clock * 0.19) * 0.15]
		var error: float = absf(settings[0] - target[0]) + absf(settings[1] - target[1])
		stable = minf(8, stable + dt) if error < 0.09 else maxf(0, stable - dt * 2)
		if stable >= 8:
			outcome = "Signal locked for eight seconds! R: retune"
		elif clock > 90:
			outcome = "Transmission ended. R: retry"
	queue_redraw()
func _draw() -> void:
	backdrop("DRIFTING RADIO", "Drag FREQUENCY and PHASE sliders | Steady the waveform and track its drift for eight seconds | R: restart")
	var error: float = absf(settings[0] - target[0]) + absf(settings[1] - target[1])
	var previous: Vector2 = Vector2(160, 280)
	for i in range(101):
		var x: float = i / 100.0
		var y: float = sin(x * 30 + clock * error * 12) * error * 150 + sin(x * 10 + settings[1] * TAU) * 15
		var point: Vector2 = Vector2(160 + x * 640, 280 + y)
		if i > 0:
			draw_line(previous, point, Color("5ef2d0") if error < 0.09 else Color("ff9568"), 3)
		previous = point
	for i in range(2):
		draw_rect(slider(i), Color("334966"))
		draw_circle(Vector2(180 + settings[i] * 600, 447 + i * 90), 17, Color("ffcd6b"))
		var guidance: String = "raise" if settings[i] < target[i] - 0.03 else "lower" if settings[i] > target[i] + 0.03 else "near lock"
		text_at(("FREQUENCY" if i == 0 else "PHASE") + " - " + guidance, Vector2(180, 416 + i * 90), 20)
	text_at("Stable %.1f / 8 seconds" % stable, Vector2(340, 140))
	text_at(outcome, Vector2(255, 613), 23)
''')
GAMES[81] = ("Three Plank Bridge", '''extends Node2D
var gaps: Array[int] = [3, 4, 5, 8, 9, 12, 13, 14]
var planks: Array[int] = []
var x: float = 105
var running: bool = false
var outcome: String = ""
func reset() -> void:
	planks.clear()
	x = 105
	running = false
	outcome = ""
func supported(cell: int) -> bool:
	if not gaps.has(cell):
		return true
	for start in planks:
		if cell >= start and cell < start + 3:
			return true
	return false
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and not e.echo:
		if e.keycode == KEY_R:
			reset()
		elif e.keycode == KEY_SPACE and outcome == "":
			running = true
	if e is InputEventMouseButton and e.pressed and not running and e.position.y > 270 and e.position.y < 520:
		var cell: int = clampi(floori((e.position.x - 84) / 44), 0, 15)
		if e.button_index == MOUSE_BUTTON_LEFT and planks.size() < 3:
			planks.append(cell)
		elif e.button_index == MOUSE_BUTTON_RIGHT:
			for i in range(planks.size() - 1, -1, -1):
				if cell >= planks[i] and cell < planks[i] + 3:
					planks.remove_at(i)
					break
func _process(dt: float) -> void:
	if running and outcome == "":
		x += 105 * dt
		var cell: int = floori((x - 84) / 44)
		if not supported(cell):
			outcome = "Unsupported step! R: rebuild the bridge"
		elif x >= 855:
			outcome = "Bridge test passed within budget! R: rebuild"
	queue_redraw()
func _draw() -> void:
	backdrop("THREE PLANK BRIDGE", "Left click: place a three-tile plank starting there | Right click: remove | Space: test | R: restart")
	for i in range(18):
		var r: Rect2 = Rect2(84 + i * 44, 445, 44, 110)
		if not gaps.has(i):
			draw_rect(r, Color("46617d"))
		else:
			draw_rect(r, Color("142131"))
		text_at(str(i), Vector2(97 + i * 44, 590), 16)
	for start in planks:
		draw_rect(Rect2(84 + start * 44, 433, 132, 12), Color("ffcd6b"))
		draw_rect(Rect2(84 + start * 44, 433, 132, 12), Color("996b32"), false, 2)
	draw_rect(Rect2(x - 10, 405, 20, 28), Color("5ef2d0"))
	text_at("Budget: %d / 3 planks" % planks.size(), Vector2(335, 190), 25)
	text_at("Cover every dark gap. Unsupported steps fail immediately.", Vector2(205, 250), 20)
	text_at(outcome, Vector2(230, 625), 23)
''')
GAMES[82] = ("Five Card Skirmish", '''extends Node2D
var hp: int = 12
var enemy: int = 16
var energy: int = 3
var turn: int = 0
var intent: int = 0
var shield: int = 0
var note: String = "Choose a card; the previewed enemy action resolves next."
var outcome: String = ""
var names: Array[String] = ["STRIKE", "HEAVY", "SHIELD", "HEAL", "CHARGE"]
var costs: Array[int] = [1, 2, 1, 2, 0]
func reset() -> void:
	hp = 12
	enemy = 16
	energy = 3
	turn = 0
	intent = 0
	shield = 0
	outcome = ""
func card(i: int) -> Rect2:
	return Rect2(50 + i * 174, 390, 160, 155)
func play(i: int) -> void:
	if outcome != "":
		return
	if energy < costs[i]:
		note = "Not enough energy. Use CHARGE."
		return
	energy -= costs[i]
	shield = 0
	match i:
		0: enemy -= 3
		1: enemy -= 6
		2: shield = 5
		3: hp = mini(12, hp + 5)
		4: energy = mini(6, energy + 3)
	if enemy <= 0:
		outcome = "Enemy defeated! R: a new skirmish"
		return
	if intent == 0:
		hp -= maxi(0, 3 - shield)
		note = "Enemy attacked for 3, reduced by this turn's shield."
	elif intent == 1:
		hp -= maxi(0, 5 - shield)
		note = "Enemy used its previewed heavy attack."
	else:
		enemy = mini(16, enemy + 2)
		note = "Enemy recovered 2 health."
	turn += 1
	intent = turn % 3
	if hp <= 0:
		outcome = "You were defeated. R: plan against the preview"
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed and not e.echo:
		if e.keycode == KEY_R:
			reset()
		for i in range(5):
			if e.keycode == KEY_1 + i:
				play(i)
	if e is InputEventMouseButton and e.pressed and e.button_index == MOUSE_BUTTON_LEFT:
		for i in range(5):
			if card(i).has_point(e.position):
				play(i)
	queue_redraw()
func _draw() -> void:
	backdrop("FIVE CARD SKIRMISH", "Click one of five cards or press 1–5 | Your action, then the previewed enemy turn | R: restart")
	text_at("YOU: %d / 12 HP   Energy %d / 6" % [hp, energy], Vector2(80, 165), 24)
	text_at("ENEMY: %d / 16 HP" % enemy, Vector2(610, 165), 24)
	text_at("NEXT ENEMY: " + ["Attack 3", "Heavy attack 5", "Recover 2 HP"][intent], Vector2(285, 245), 26, Color("ff9568"))
	for i in range(5):
		draw_rect(card(i), Color("3a526e"))
		text_at(names[i], card(i).position + Vector2(14, 40), 22)
		text_at("Cost %d" % costs[i], card(i).position + Vector2(17, 83), 20)
		text_at(["3 damage", "6 damage", "Block 5", "Heal 5", "+3 energy"][i], card(i).position + Vector2(14, 125), 18)
	text_at(note if outcome == "" else outcome, Vector2(125, 610), 23)
''')
GAMES[83] = ("Color Cargo Train", '''extends Node2D
var train: Vector2i = Vector2i(1, 5)
var direction: Vector2i = Vector2i.RIGHT
var wagons: Dictionary = {Vector2i(3, 5): 0, Vector2i(6, 2): 1, Vector2i(9, 6): 2}
var cargo: Array[int] = []
var target: Array[int] = [0, 1, 2]
var history: Array[Vector2i] = []
var clock: float = 0
var outcome: String = ""
var colors: Array[Color] = [Color("ff6176"), Color("79d7ff"), Color("ffcd6b")]
func reset() -> void:
	train = Vector2i(1, 5)
	direction = Vector2i.RIGHT
	wagons = {Vector2i(3, 5): 0, Vector2i(6, 2): 1, Vector2i(9, 6): 2}
	cargo.clear()
	history.clear()
	clock = 0
	outcome = ""
func _input(e: InputEvent) -> void:
	if e is InputEventKey and e.pressed:
		if e.keycode == KEY_R:
			reset()
		var next: Vector2i = direction
		if e.keycode == KEY_LEFT:
			next = Vector2i.LEFT
		elif e.keycode == KEY_RIGHT:
			next = Vector2i.RIGHT
		elif e.keycode == KEY_UP:
			next = Vector2i.UP
		elif e.keycode == KEY_DOWN:
			next = Vector2i.DOWN
		if next != -direction:
			direction = next
func _process(dt: float) -> void:
	if outcome == "":
		clock += dt
		if clock >= 0.35:
			clock = 0
			history.push_front(train)
			if history.size() > 3:
				history.pop_back()
			train += direction
			if train.x < 0 or train.x >= 12 or train.y < 0 or train.y >= 8:
				outcome = "Train left the tracks! R: retry"
			elif wagons.has(train):
				cargo.append(wagons[train])
				wagons.erase(train)
				if cargo[-1] != target[cargo.size() - 1]:
					outcome = "Wrong wagon order! R: reroute"
			if train == Vector2i(10, 1):
				outcome = "Matching train arrived! R: replay" if cargo == target else "Station rejected an incomplete sequence. R: retry"
	queue_redraw()
func point(p: Vector2i) -> Vector2:
	return Vector2(215, 162) + Vector2(p) * 45
func _draw() -> void:
	backdrop("COLOR CARGO TRAIN", "Arrows: steer the moving train | Collect RED, BLUE, GOLD in order, then enter station S | R: restart")
	for y in range(8):
		for x in range(12):
			draw_rect(Rect2(point(Vector2i(x, y)) - Vector2.ONE * 21, Vector2.ONE * 42), Color("26394e"), false, 1)
	for p in wagons:
		draw_rect(Rect2(point(p) - Vector2.ONE * 15, Vector2.ONE * 30), colors[wagons[p]])
	draw_rect(Rect2(point(Vector2i(10, 1)) - Vector2.ONE * 20, Vector2.ONE * 40), Color("31785a"))
	text_at("S", point(Vector2i(10, 1)) + Vector2(-7, 8), 24)
	for i in range(mini(cargo.size(), history.size())):
		draw_rect(Rect2(point(history[i]) - Vector2.ONE * 13, Vector2.ONE * 26), colors[cargo[i]])
	draw_circle(point(train), 16, Color.WHITE)
	text_at("Wagons %d / 3   TARGET: RED > BLUE > GOLD" % cargo.size(), Vector2(230, 555))
	text_at(outcome, Vector2(210, 610), 23)
''')
GAMES[84] = ("Bubble Passage", '''extends Node2D
var bubble: Vector2 = Vector2(160, 570)
var air: float = 55
var walls: Array[Rect2] = [Rect2(20, 455, 395, 25), Rect2(445, 455, 495, 25), Rect2(20, 340, 625, 25), Rect2(675, 340, 265, 25), Rect2(20, 225, 305, 25), Rect2(335, 225, 605, 25)]
var outcome: String = ""
var radius: float = 16
func reset() -> void:
	bubble = Vector2(160, 570)
	air = 55
	outcome = ""
func _process(dt: float) -> void:
	if Input.is_physical_key_pressed(KEY_R):
		reset()
	if outcome == "":
		var shrink: bool = Input.is_action_pressed("ui_accept")
		radius = 4.0 if shrink else 16.0
		air -= dt * (1.8 if shrink else 1.0)
		var movement: Vector2 = Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down") * 175
		var next: Vector2 = bubble + movement * dt
		next.x = clampf(next.x, 25 + radius, 935 - radius)
		next.y = minf(600 - radius, next.y)
		var blocked: bool = false
		for r in walls:
			if r.grow(radius).has_point(next):
				blocked = true
		if not blocked:
			bubble = next
		if bubble.y < 130:
			outcome = "Surface reached with air to spare! R: dive again"
		elif air <= 0:
			outcome = "Air exhausted. R: shrink only at narrow gates"
	queue_redraw()
func _draw() -> void:
	backdrop("BUBBLE PASSAGE", "Arrows: swim upward through the gates | Hold Space: shrink, using extra air | R: restart")
	draw_rect(Rect2(20, 95, 920, 35), Color("276c86"))
	text_at("SURFACE", Vector2(420, 120), 20)
	for r in walls:
		draw_rect(r, Color("46617d"))
	draw_circle(bubble, radius, Color("79d7ff"))
	draw_arc(bubble, radius, 0, TAU, 24, Color.WHITE, 2)
	text_at("Air %.1f    %s" % [maxf(air, 0), "SHRUNK" if radius < 10 else "NORMAL"], Vector2(30, 625), 22)
	text_at(outcome, Vector2(320, 625), 22)
''')

if __name__ == "__main__":
    main()