/**** 
* Classes
****/ 
var Gift = Container.expand(function (dropSpeed) {
	var self = Container.call(this);
	self.dropSpeed = dropSpeed;
	var giftGraphics = self.attachAsset('gift', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.drop = function () {
		self.y += self.dropSpeed;
		var wiggle = (Math.random() - 0.5) * 10;
		self.x += wiggle;
		self.x = Math.max(self.width / 2, Math.min(2048 - self.width / 2, self.x));
	};
});
var RainbowGift = Gift.expand(function (dropSpeed) {
	var self = Gift.call(this, dropSpeed);
	var rainbowGiftGraphics = self.attachAsset('rainbowGift', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collect = function () {
		// Power up effect here
	};
	return self;
});
var GrayHeart = Container.expand(function () {
	var self = Container.call(this);
	var grayHeartGraphics = self.attachAsset('grayHeart', {});
});
var Ground = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorY: 1
	});
	groundGraphics.width = 2048;
	self.addChild(groundGraphics);
});
var Heart = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.attachAsset('heart', {});
});
var Santa = Container.expand(function () {
	var self = Container.call(this);
	var santaGraphics = self.attachAsset('santa', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lastX = self.x;
	self._move_migrated = function (newX) {
		var halfWidth = this.width / 2;
		var oldX = this.x;
		var moveAmount = Math.max(halfWidth, Math.min(2048 - halfWidth, newX)) - this.x;
		this.x += moveAmount * 0.2;
		if (oldX > this.x) {
			this.scale.x = 1;
		} else if (oldX < this.x) {
			this.scale.x = -1;
		}
		self.lastX = this.x;
	};
	self.collect = function () {};
});
var Snowflake = Container.expand(function (santa) {
	var self = Container.call(this);
	self.santa = santa;
	var snowflakeGraphics = self.attachAsset('snowflake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	snowflakeGraphics.scale.set(0.5);
	self.drop = function () {
		self.y += 5;
		self.x -= 5;
		if (self.y > 2732 - self.santa.height || self.x < -self.width) {
			self.destroy();
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
var score = 0;
var level = 1;
var highestScore = 0;
var scoreTxt = new Text2(score.toString(), {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(.5, 0);
LK.gui.top.addChild(scoreTxt);
var lives = 3;
var hearts = [];
for (var i = 0; i < lives; i++) {
	var heart = new Heart();
	heart.x = i * (heart.width + 10);
	heart.y = 10;
	hearts.push(heart);
	LK.gui.topLeft.addChild(heart);
}
var santa = game.addChild(new Santa());
var snowflakes = [];
for (var i = 0; i < 10; i++) {
	var initialSnowflake = new Snowflake(santa);
	initialSnowflake.x = Math.random() * 2048;
	initialSnowflake.y = Math.random() * 2732;
	snowflakes.push(initialSnowflake);
	game.addChild(initialSnowflake);
}
var snowfallInterval = LK.setInterval(function () {
	for (var i = 0; i < 3; i++) {
		var snowflake = new Snowflake(santa);
		snowflake.x = 2048 + snowflake.width / 2;
		snowflake.y = Math.random() * 2732;
		snowflakes.push(snowflake);
		game.addChild(snowflake);
	}
}, 1000);
var gifts = [];
santa.x = 2048 / 2;
santa.y = 2732 - santa.height;
var ground = new Ground();
var background = game.attachAsset('background', {});
background.width = 2048;
background.height = 2732 - ground.height;
game.addChildAt(background, 0);
game.addChildAt(ground, 1);
var giftDropSpeed = 5;
var maxGiftDropSpeed = 15;
var giftSpeedIncreaseInterval = 10000;
var lastSpeedIncreaseTime = 0;
var giftCreationInterval = LK.setInterval(function () {
	var currentTime = Date.now();
	giftDropSpeed = 5 + level; // Increase drop speed based on level
	var gift;
	if (Math.random() < 0.1) {
		// 10% chance to create a rainbow gift
		gift = new RainbowGift(giftDropSpeed);
	} else {
		gift = new Gift(giftDropSpeed);
	}
	gift.x = Math.random() * 2048;
	gift.y = 0;
	gifts.push(gift);
	game.addChild(gift);
}, 2000);
LK.on('tick', function () {
	santa._move_migrated();
	for (var j = 0; j < snowflakes.length; j++) {
		snowflakes[j].drop();
		if (snowflakes[j].y > 2732) {
			snowflakes.splice(j, 1);
			j--;
		}
	}
	for (var i = 0; i < gifts.length; i++) {
		gifts[i].drop();
		if (santa.intersects(gifts[i])) {
			santa.collect(gifts[i]);
			score++;
			if (score > highestScore) {
				highestScore = score;
			}
			scoreTxt.setText(score.toString());
			if (score % 10 === 0) {
				level++;
				console.log("Level Up! Current Level: " + level);
			}
			gifts[i].destroy();
			gifts.splice(i, 1);
			i--;
			if (hearts.length > 0) {
				var lostHeart = hearts[hearts.length - 1];
			}
		} else if (gifts[i].y > 2732 - ground.height - gifts[i].height / 2) {
			gifts[i].destroy();
			gifts.splice(i, 1);
			i--;
			if (--lives <= 0) {
				if (hearts.length > 0) {
					var lostHeart = hearts.pop();
					lostHeart.destroy();
					var grayHeart = new GrayHeart();
					grayHeart.x = lostHeart.x;
					grayHeart.y = lostHeart.y;
					LK.gui.topLeft.addChild(grayHeart);
				}
				scoreTxt.setText('Highest Score: ' + highestScore.toString());
				LK.showGameOver();
			} else if (hearts.length > 0) {
				var lostHeart = hearts.pop();
				lostHeart.destroy();
				var grayHeart = new GrayHeart();
				grayHeart.x = lostHeart.x;
				grayHeart.y = lostHeart.y;
				LK.gui.topLeft.addChild(grayHeart);
			}
		}
	}
});
game.on('down', function (x, y, obj) {
	var pos = game.toLocal(obj.global);
	santa._move_migrated(pos.x);
});
game.on('move', function (x, y, obj) {
	var pos = game.toLocal(obj.global);
	santa._move_migrated(pos.x);
});

===================================================================
--- original.js
+++ change.js
@@ -16,9 +16,9 @@
 	};
 });
 var RainbowGift = Gift.expand(function (dropSpeed) {
 	var self = Gift.call(this, dropSpeed);
-	self.attachAsset('rainbowGift', {
+	var rainbowGiftGraphics = self.attachAsset('rainbowGift', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.collect = function () {