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

/**** 
* Game Code
****/ 
var frvr = {
	Game: function Game() {},
	Sprite: function Sprite() {},
	Text: function Text() {},
	Sound: function Sound() {},
	startGame: function startGame() {}
};
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);
}
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);
}
var BalloonShooterGame = /*#__PURE__*/function (_frvr$Game) {
	function BalloonShooterGame() {
		_classCallCheck(this, BalloonShooterGame);
		return _callSuper(this, BalloonShooterGame, arguments);
	}
	_inherits(BalloonShooterGame, _frvr$Game);
	return _createClass(BalloonShooterGame, [{
		key: "init",
		value: function init() {
			var _this = this;
			// Background
			this.background = new frvr.Sprite("background.jpg");
			this.addChild(this.background);
			// Player Gun
			this.gun = new frvr.Sprite("gun.png");
			this.gun.position.set(250, 500);
			this.addChild(this.gun);
			// Score Display
			this.score = 0;
			this.scoreText = new frvr.Text("Score: 0", {
				fontSize: 24,
				fill: "#fff"
			});
			this.scoreText.position.set(10, 10);
			this.addChild(this.scoreText);
			// Sound Effects
			this.gunshotSound = new frvr.Sound("gunshot.mp3");
			this.popSound = new frvr.Sound("balloon_pop.mp3");
			this.goldenBalloonSound = new frvr.Sound("golden_balloon.mp3");
			this.spikyBalloonSound = new frvr.Sound("spiky_balloon.mp3");
			this.explosionSound = new frvr.Sound("explosion.mp3");
			this.gameOverSound = new frvr.Sound("game_over.mp3");
			// Game Variables
			this.bullets = [];
			this.balloons = [];
			this.obstacleHits = 0;
			this.gameOver = false;
			// Spawn Balloons Every 1 Second
			this.setInterval(function () {
				return _this.spawnBalloon();
			}, 1000);
			// Mouse Click to Shoot
			this.onMouseDown(function (event) {
				if (!_this.gameOver) {
					_this.shootBullet(event.x);
				}
			});
		}
	}, {
		key: "spawnBalloon",
		value: function spawnBalloon() {
			if (this.gameOver) {
				return;
			}
			var balloon;
			var randomType = Math.random();
			if (randomType < 0.1) {
				balloon = new frvr.Sprite("golden_balloon.png"); // 10% chance
				balloon.isSpecial = true;
			} else if (randomType < 0.2) {
				balloon = new frvr.Sprite("spiky_balloon.png"); // 10% chance
				balloon.isObstacle = true;
			} else {
				balloon = new frvr.Sprite("balloon.png"); // Normal balloon
			}
			balloon.position.set(Math.random() * 500, 600);
			balloon.speedY = -2 - this.score / 50;
			balloon.speedX = Math.random() > 0.5 ? 1.5 : -1.5;
			this.balloons.push(balloon);
			this.addChild(balloon);
		}
	}, {
		key: "shootBullet",
		value: function shootBullet(x) {
			var bullet = new frvr.Sprite("bullet.png");
			bullet.position.set(x, 550);
			bullet.speed = -8;
			this.bullets.push(bullet);
			this.addChild(bullet);
			this.gunshotSound.play(); // Play gunshot sound
		}
	}, {
		key: "update",
		value: function update(deltaTime) {
			if (this.gameOver) {
				return;
			}
			// Move Bullets
			this.bullets.forEach(function (bullet) {
				bullet.position.y += bullet.speed;
			});
			// Move Balloons
			this.balloons.forEach(function (balloon) {
				balloon.position.y += balloon.speedY;
				balloon.position.x += balloon.speedX;
			});
			// Check for Collisions
			this.checkCollisions();
		}
	}, {
		key: "checkCollisions",
		value: function checkCollisions() {
			var _this2 = this;
			this.bullets.forEach(function (bullet, bulletIndex) {
				_this2.balloons.forEach(function (balloon, balloonIndex) {
					if (_this2.isColliding(bullet, balloon)) {
						if (balloon.isSpecial) {
							_this2.goldenBalloonSound.play();
							_this2.clearAllBalloons();
							_this2.score += 50; // Bonus points
						} else if (balloon.isObstacle) {
							_this2.spikyBalloonSound.play();
							_this2.obstacleHits += 1;
							if (_this2.obstacleHits >= 3) {
								_this2.gameOverScreen();
							}
						} else {
							_this2.popSound.play();
							_this2.score += 10;
						}
						// Update Score Display
						_this2.scoreText.text = "Score: ".concat(_this2.score);
						// Remove balloon and bullet
						_this2.removeChild(bullet);
						_this2.removeChild(balloon);
						_this2.bullets.splice(bulletIndex, 1);
						_this2.balloons.splice(balloonIndex, 1);
					}
				});
			});
		}
	}, {
		key: "clearAllBalloons",
		value: function clearAllBalloons() {
			var _this3 = this;
			this.balloons.forEach(function (balloon) {
				_this3.removeChild(balloon);
			});
			this.balloons = [];
		}
	}, {
		key: "gameOverScreen",
		value: function gameOverScreen() {
			this.gameOverSound.play();
			this.gameOver = true;
			var gameOverText = new frvr.Text("Game Over!", {
				fontSize: 48,
				fill: 0xFF0000
			});
			gameOverText.position.set(200, 300);
			this.addChild(gameOverText);
		}
	}]);
}(frvr.Game);
frvr.startGame(BalloonShooterGame);

===================================================================
--- original.js
+++ change.js
@@ -7,8 +7,15 @@
 
 /**** 
 * Game Code
 ****/ 
+var frvr = {
+	Game: function Game() {},
+	Sprite: function Sprite() {},
+	Text: function Text() {},
+	Sound: function Sound() {},
+	startGame: function startGame() {}
+};
 function _typeof(o) {
 	"@babel/helpers - typeof";
 	return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
 		return typeof o;
@@ -99,17 +106,8 @@
 	return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) {
 		return t.__proto__ = e, t;
 	}, _setPrototypeOf(t, e);
 }
-var frvr = {
-	Game: function Game() {},
-	// Ensure Game is a function to act as a superclass 
-	startGame: function startGame(gameClass) {
-		// Define startGame as a function
-		var gameInstance = new gameClass();
-		gameInstance.init();
-	}
-}; // Define frvr as an object 
 var BalloonShooterGame = /*#__PURE__*/function (_frvr$Game) {
 	function BalloonShooterGame() {
 		_classCallCheck(this, BalloonShooterGame);
 		return _callSuper(this, BalloonShooterGame, arguments);
@@ -119,50 +117,44 @@
 		key: "init",
 		value: function init() {
 			var _this = this;
 			// Background
-			this.background = LK.getAsset('background', {
-				anchorX: 0.5,
-				anchorY: 0.5
-			});
-			game.addChild(this.background);
+			this.background = new frvr.Sprite("background.jpg");
+			this.addChild(this.background);
 			// Player Gun
-			this.gun = LK.getAsset('gun', {
-				anchorX: 0.5,
-				anchorY: 0.5
-			});
+			this.gun = new frvr.Sprite("gun.png");
 			this.gun.position.set(250, 500);
-			game.addChild(this.gun);
+			this.addChild(this.gun);
 			// Score Display
 			this.score = 0;
-			this.scoreText = new Text2("Score: 0", {
-				size: 24,
+			this.scoreText = new frvr.Text("Score: 0", {
+				fontSize: 24,
 				fill: "#fff"
 			});
 			this.scoreText.position.set(10, 10);
-			game.addChild(this.scoreText);
+			this.addChild(this.scoreText);
 			// Sound Effects
-			this.gunshotSound = LK.getSound('gunshot');
-			this.popSound = LK.getSound('balloon_pop');
-			this.goldenBalloonSound = LK.getSound('golden_balloon');
-			this.spikyBalloonSound = LK.getSound('spiky_balloon');
-			this.explosionSound = LK.getSound('explosion');
-			this.gameOverSound = LK.getSound('game_over');
+			this.gunshotSound = new frvr.Sound("gunshot.mp3");
+			this.popSound = new frvr.Sound("balloon_pop.mp3");
+			this.goldenBalloonSound = new frvr.Sound("golden_balloon.mp3");
+			this.spikyBalloonSound = new frvr.Sound("spiky_balloon.mp3");
+			this.explosionSound = new frvr.Sound("explosion.mp3");
+			this.gameOverSound = new frvr.Sound("game_over.mp3");
 			// Game Variables
 			this.bullets = [];
 			this.balloons = [];
 			this.obstacleHits = 0;
 			this.gameOver = false;
 			// Spawn Balloons Every 1 Second
-			LK.setInterval(function () {
+			this.setInterval(function () {
 				return _this.spawnBalloon();
 			}, 1000);
 			// Mouse Click to Shoot
-			game.down = function (x, y, obj) {
+			this.onMouseDown(function (event) {
 				if (!_this.gameOver) {
-					_this.shootBullet(x);
+					_this.shootBullet(event.x);
 				}
-			};
+			});
 		}
 	}, {
 		key: "spawnBalloon",
 		value: function spawnBalloon() {
@@ -171,42 +163,30 @@
 			}
 			var balloon;
 			var randomType = Math.random();
 			if (randomType < 0.1) {
-				balloon = LK.getAsset('golden_balloon', {
-					anchorX: 0.5,
-					anchorY: 0.5
-				}); // 10% chance
+				balloon = new frvr.Sprite("golden_balloon.png"); // 10% chance
 				balloon.isSpecial = true;
 			} else if (randomType < 0.2) {
-				balloon = LK.getAsset('spiky_balloon', {
-					anchorX: 0.5,
-					anchorY: 0.5
-				}); // 10% chance
+				balloon = new frvr.Sprite("spiky_balloon.png"); // 10% chance
 				balloon.isObstacle = true;
 			} else {
-				balloon = LK.getAsset('balloon', {
-					anchorX: 0.5,
-					anchorY: 0.5
-				}); // Normal balloon
+				balloon = new frvr.Sprite("balloon.png"); // Normal balloon
 			}
 			balloon.position.set(Math.random() * 500, 600);
 			balloon.speedY = -2 - this.score / 50;
 			balloon.speedX = Math.random() > 0.5 ? 1.5 : -1.5;
 			this.balloons.push(balloon);
-			game.addChild(balloon);
+			this.addChild(balloon);
 		}
 	}, {
 		key: "shootBullet",
 		value: function shootBullet(x) {
-			var bullet = LK.getAsset('bullet', {
-				anchorX: 0.5,
-				anchorY: 0.5
-			});
+			var bullet = new frvr.Sprite("bullet.png");
 			bullet.position.set(x, 550);
 			bullet.speed = -8;
 			this.bullets.push(bullet);
-			game.addChild(bullet);
+			this.addChild(bullet);
 			this.gunshotSound.play(); // Play gunshot sound
 		}
 	}, {
 		key: "update",
@@ -276,9 +256,9 @@
 				fontSize: 48,
 				fill: 0xFF0000
 			});
 			gameOverText.position.set(200, 300);
-			game.addChild(gameOverText);
+			this.addChild(gameOverText);
 		}
 	}]);
 }(frvr.Game);
 frvr.startGame(BalloonShooterGame);
\ No newline at end of file