===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,219 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+// Patty class
+var Patty = Container.expand(function () {
+	var self = Container.call(this);
+	// States: 'raw', 'perfect', 'burnt', 'served'
+	self.state = 'raw';
+	self.cookTime = 0; // ms since placed on stove
+	self.cooked = false; // true if served
+	self.burnt = false;
+	self.served = false;
+	// Attach raw patty asset
+	self.pattyAsset = self.attachAsset('patty_raw', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// For animation
+	self.yOffset = 0;
+	// Called every tick
+	self.update = function () {
+		if (self.served || self.burnt) return;
+		self.cookTime += 1000 / 60; // ~16.67ms per tick
+		// Change state at 2s (perfect), 5s (burnt)
+		if (self.cookTime >= 2000 && self.state === 'raw') {
+			self.state = 'perfect';
+			self.pattyAsset.destroy();
+			self.pattyAsset = self.attachAsset('patty_perfect', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			// Play ding sound
+			LK.getSound('ding').play();
+		}
+		if (self.cookTime >= 5000 && !self.burnt && !self.served) {
+			self.state = 'burnt';
+			self.burnt = true;
+			self.pattyAsset.destroy();
+			self.pattyAsset = self.attachAsset('patty_burnt', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			// Play burn sound
+			LK.getSound('burn').play();
+			// Animate fade out and destroy after 0.7s
+			tween(self, {
+				alpha: 0
+			}, {
+				duration: 700,
+				onFinish: function onFinish() {
+					self.destroy();
+				}
+			});
+		}
+	};
+	// Called when tapped
+	self.down = function (x, y, obj) {
+		if (self.served || self.burnt) return;
+		if (self.state === 'perfect') {
+			self.serve();
+		}
+	};
+	// Serve patty to bun
+	self.serve = function () {
+		self.served = true;
+		// Move patty to bun position (animated)
+		var targetX = bun.x;
+		var targetY = bun.y - 30;
+		tween(self, {
+			x: targetX,
+			y: targetY
+		}, {
+			duration: 350,
+			easing: tween.cubicOut,
+			onFinish: function onFinish() {
+				// Add score
+				LK.setScore(LK.getScore() + 1);
+				scoreTxt.setText(LK.getScore());
+				// Animate patty into bun (scale down)
+				tween(self, {
+					scaleX: 0.7,
+					scaleY: 0.7,
+					alpha: 0.0
+				}, {
+					duration: 400,
+					onFinish: function onFinish() {
+						self.destroy();
+					}
+				});
+			}
+		});
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
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+	backgroundColor: 0xf5f2e6
+});
+
+/**** 
+* Game Code
+****/ 
+// Sizzle sound
+// Plate
+// Stove
+// Bun
+// Patty states: raw, perfect, burnt
+// Centered positions
+var centerX = 2048 / 2;
+var stoveY = 1100;
+var bunY = 1700;
+var plateY = 1850;
+// Add stove
+var stove = LK.getAsset('stove', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: centerX,
+	y: stoveY
+});
+game.addChild(stove);
+// Add plate
+var plate = LK.getAsset('plate', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: centerX,
+	y: plateY
+});
+game.addChild(plate);
+// Add bun
+var bun = LK.getAsset('bun', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: centerX,
+	y: bunY
+});
+game.addChild(bun);
+// Score text
+var scoreTxt = new Text2('0', {
+	size: 140,
+	fill: 0x7C4A00
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Patty management
+var patties = [];
+var pattySpawned = false;
+var pattySpawnDelay = 600; // ms between patties
+var lastPattyTime = -pattySpawnDelay;
+// Helper: spawn a new patty on the stove
+function spawnPatty() {
+	var patty = new Patty();
+	patty.x = centerX;
+	patty.y = stoveY - 40;
+	patties.push(patty);
+	game.addChild(patty);
+	pattySpawned = true;
+	lastPattyTime = LK.now();
+	// Sizzle sound
+	LK.getSound('sizzle').play();
+}
+// Remove destroyed patties from array
+function cleanPatties() {
+	for (var i = patties.length - 1; i >= 0; i--) {
+		if (patties[i].destroyed || patties[i].burnt || patties[i].served) {
+			patties.splice(i, 1);
+		}
+	}
+}
+// Game tap handler: pass to patty if tapped
+game.down = function (x, y, obj) {
+	// Find topmost patty under tap
+	for (var i = patties.length - 1; i >= 0; i--) {
+		var p = patties[i];
+		if (p.served || p.burnt) continue;
+		// Hit test: simple bounding box
+		var px = p.x,
+			py = p.y;
+		var w = p.pattyAsset.width,
+			h = p.pattyAsset.height;
+		if (x >= px - w / 2 && x <= px + w / 2 && y >= py - h / 2 && y <= py + h / 2) {
+			p.down(x, y, obj);
+			break;
+		}
+	}
+};
+// Main update loop
+game.update = function () {
+	// Spawn patty if none present and enough time passed
+	if (patties.length === 0 && LK.now() - lastPattyTime > pattySpawnDelay) {
+		spawnPatty();
+	}
+	// Update patties
+	for (var i = 0; i < patties.length; i++) {
+		if (patties[i].update) patties[i].update();
+	}
+	// Remove destroyed patties
+	cleanPatties();
+};
+// Show "You Win" if player reaches 20 perfect patties
+// (Optional: can be adjusted for difficulty)
+game.checkWin = function () {
+	if (LK.getScore() >= 20) {
+		LK.showYouWin();
+	}
+};
+// Add win check to score update
+var oldSetScore = LK.setScore;
+LK.setScore = function (val) {
+	oldSetScore(val);
+	game.checkWin();
+};
\ No newline at end of file