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

/**** 
* Game Code
****/ 
// Game objects in global scope
function _callSuper(t, o, e) {
	return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e));
}
function _possibleConstructorReturn(t, e) {
	if (e && ("object" == _typeof(e) || "function" == typeof e)) {
		return e;
	}
	if (void 0 !== e) {
		throw new TypeError("Derived constructors may only return object or undefined");
	}
	return _assertThisInitialized(t);
}
function _assertThisInitialized(e) {
	if (void 0 === e) {
		throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
	}
	return e;
}
function _isNativeReflectConstruct() {
	try {
		var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
	} catch (t) {}
	return (_isNativeReflectConstruct = function _isNativeReflectConstruct() {
		return !!t;
	})();
}
function _getPrototypeOf(t) {
	return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) {
		return t.__proto__ || Object.getPrototypeOf(t);
	}, _getPrototypeOf(t);
}
function _inherits(t, e) {
	if ("function" != typeof e && null !== e) {
		throw new TypeError("Super expression must either be null or a function");
	}
	t.prototype = Object.create(e && e.prototype, {
		constructor: {
			value: t,
			writable: !0,
			configurable: !0
		}
	}), Object.defineProperty(t, "prototype", {
		writable: !1
	}), e && _setPrototypeOf(t, e);
}
function _setPrototypeOf(t, e) {
	return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) {
		return t.__proto__ = e, t;
	}, _setPrototypeOf(t, e);
}
function _typeof(o) {
	"@babel/helpers - typeof";
	return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
		return typeof o;
	} : function (o) {
		return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
	}, _typeof(o);
}
function _classCallCheck(a, n) {
	if (!(a instanceof n)) {
		throw new TypeError("Cannot call a class as a function");
	}
}
function _defineProperties(e, r) {
	for (var t = 0; t < r.length; t++) {
		var o = r[t];
		o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o);
	}
}
function _createClass(e, r, t) {
	return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", {
		writable: !1
	}), e;
}
function _toPropertyKey(t) {
	var i = _toPrimitive(t, "string");
	return "symbol" == _typeof(i) ? i : i + "";
}
function _toPrimitive(t, r) {
	if ("object" != _typeof(t) || !t) {
		return t;
	}
	var e = t[Symbol.toPrimitive];
	if (void 0 !== e) {
		var i = e.call(t, r || "default");
		if ("object" != _typeof(i)) {
			return i;
		}
		throw new TypeError("@@toPrimitive must return a primitive value.");
	}
	return ("string" === r ? String : Number)(t);
}
var cats = [];
var kittens = [];
var birds = [];
var ufos = [];
var sparkles = [];
var tree;
var sparkleDust = 0;
// Game parameters
var GAME_CONFIG = {
	catCost: 10,
	kittenCost: 50,
	ufoCost: 200,
	catCharmPower: 1,
	kittenCharmPower: 3,
	catCharmInterval: 5000,
	kittenCharmInterval: 3000,
	ufoCollectSpeed: 150,
	ufoCollectRange: 100,
	birdSpawnInterval: 3000,
	maxBirds: 10
};
var Cat = /*#__PURE__*/function () {
	function Cat(x, y) {
		_classCallCheck(this, Cat);
		this.sprite = LK.getAsset('cat', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		this.sprite.x = x;
		this.sprite.y = y;
		this.charmingCooldown = false;
	}
	return _createClass(Cat, [{
		key: "update",
		value: function update() {
			if (!this.charmingCooldown) {
				this.tryCharmBird();
			}
		}
	}, {
		key: "tryCharmBird",
		value: function tryCharmBird() {
			// Charm logic here
		}
	}]);
}();
var Kitten = /*#__PURE__*/function (_Cat) {
	function Kitten(x, y) {
		var _this;
		_classCallCheck(this, Kitten);
		_this = _callSuper(this, Kitten, [x, y]);
		_this.sprite = LK.getAsset('kitten', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		return _this;
	}
	_inherits(Kitten, _Cat);
	return _createClass(Kitten);
}(Cat);
var Bird = /*#__PURE__*/function () {
	function Bird() {
		_classCallCheck(this, Bird);
		this.sprite = LK.getAsset('bird', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		this.charmed = false;
		this.setRandomPosition();
	}
	return _createClass(Bird, [{
		key: "setRandomPosition",
		value: function setRandomPosition() {
			// Position logic
		}
	}, {
		key: "update",
		value: function update() {
			// Movement logic
		}
	}]);
}();
var UFO = /*#__PURE__*/function () {
	function UFO(x, y) {
		_classCallCheck(this, UFO);
		this.sprite = LK.getAsset('ufo', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		this.sprite.x = x;
		this.sprite.y = y;
	}
	return _createClass(UFO, [{
		key: "update",
		value: function update() {
			// Collection logic
		}
	}]);
}();
var Sparkle = /*#__PURE__*/_createClass(function Sparkle(x, y, value) {
	_classCallCheck(this, Sparkle);
	this.sprite = LK.getAsset('sparkle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	this.sprite.x = x;
	this.sprite.y = y;
	this.value = value;
	this.targetedByUFO = null;
});
var Game = /*#__PURE__*/function () {
	function Game() {
		_classCallCheck(this, Game);
	}
	return _createClass(Game, [{
		key: "initialize",
		value: function initialize() {
			this.backgroundColor = 0x87CEFA; // Sky blue
			this.setupTree();
			this.setupInitialState();
			this.setupEventListeners();
		}
	}, {
		key: "setupTree",
		value: function setupTree() {
			tree = LK.getAsset('tree', {
				anchorX: 0.5,
				anchorY: 1
			});
			tree.x = LK.width / 2;
			tree.y = LK.height - 10;
		}
	}, {
		key: "setupInitialState",
		value: function setupInitialState() {
			sparkleDust = 50;
			this.addCat();
			this.addUFO();
		}
	}, {
		key: "setupEventListeners",
		value: function setupEventListeners() {
			var _this2 = this;
			tree.on('pointerdown', function (obj) {
				var pos = scope.toLocal(obj.global);
				_this2.createSparkle(pos.x, pos.y, 1);
			});
		}
	}, {
		key: "update",
		value: function update() {
			cats.forEach(function (cat) {
				return cat.update();
			});
			kittens.forEach(function (kitten) {
				return kitten.update();
			});
			birds.forEach(function (bird) {
				return bird.update();
			});
			ufos.forEach(function (ufo) {
				return ufo.update();
			});
			this.updateSparkles();
			this.spawnBirds();
		}
	}, {
		key: "addCat",
		value: function addCat() {
			if (sparkleDust >= GAME_CONFIG.catCost) {
				var cat = new Cat(tree.x + Math.random() * 100 - 50, tree.y - Math.random() * 100);
				cats.push(cat);
				sparkleDust -= GAME_CONFIG.catCost;
			}
		}
		// Additional game methods...
	}]);
}();

===================================================================
--- original.js
+++ change.js
@@ -199,38 +199,40 @@
 			// Collection logic
 		}
 	}]);
 }();
-var Sparkle = /*#__PURE__*/function () {
-	function Sparkle(x, y, value) {
-		_classCallCheck(this, Sparkle);
-		this.sprite = LK.getAsset('sparkle', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		});
-		this.sprite.x = x;
-		this.sprite.y = y;
-		this.value = value;
-		this.targetedByUFO = null;
-	}
-	return _createClass(Sparkle);
-}();
+var Sparkle = /*#__PURE__*/_createClass(function Sparkle(x, y, value) {
+	_classCallCheck(this, Sparkle);
+	this.sprite = LK.getAsset('sparkle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	this.sprite.x = x;
+	this.sprite.y = y;
+	this.value = value;
+	this.targetedByUFO = null;
+});
 var Game = /*#__PURE__*/function () {
 	function Game() {
 		_classCallCheck(this, Game);
 	}
 	return _createClass(Game, [{
 		key: "initialize",
 		value: function initialize() {
-			this.background = new Background().sprite;
+			this.backgroundColor = 0x87CEFA; // Sky blue
 			this.setupTree();
 			this.setupInitialState();
 			this.setupEventListeners();
 		}
 	}, {
 		key: "setupTree",
 		value: function setupTree() {
-			tree = new Tree().sprite;
+			tree = LK.getAsset('tree', {
+				anchorX: 0.5,
+				anchorY: 1
+			});
+			tree.x = LK.width / 2;
+			tree.y = LK.height - 10;
 		}
 	}, {
 		key: "setupInitialState",
 		value: function setupInitialState() {
@@ -275,29 +277,5 @@
 			}
 		}
 		// Additional game methods...
 	}]);
-}();
-var Tree = /*#__PURE__*/function () {
-	function Tree() {
-		_classCallCheck(this, Tree);
-		this.sprite = LK.getAsset('tree', {
-			anchorX: 0.5,
-			anchorY: 1
-		});
-		this.sprite.x = LK.width / 2;
-		this.sprite.y = LK.height - 10;
-	}
-	return _createClass(Tree);
-}();
-var Background = /*#__PURE__*/function () {
-	function Background() {
-		_classCallCheck(this, Background);
-		this.sprite = LK.getAsset('background', {
-			anchorX: 0.5,
-			anchorY: 0.5
-		});
-		this.sprite.x = LK.width / 2;
-		this.sprite.y = LK.height / 2;
-	}
-	return _createClass(Background);
 }();
\ No newline at end of file