/**** 
* Classes
****/ 
// AUDI class
var AUDI = Container.expand(function () {
	var self = Container.call(this);
	var audiGraphics = self.attachAsset('AUDI', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 288.92,
		scaleY: 800 / 687.86
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// AlfaRomeo class
var AlfaRomeo = Container.expand(function () {
	var self = Container.call(this);
	var alfaRomeoGraphics = self.attachAsset('AlfaRomeo', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 400,
		scaleY: 800 / 650
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// AstonMartin class
var AstonMartin = Container.expand(function () {
	var self = Container.call(this);
	var astonMartinGraphics = self.attachAsset('AstonMartin', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 440,
		scaleY: 800 / 816.13
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// BMW class
var BMW = Container.expand(function () {
	var self = Container.call(this);
	var bmwGraphics = self.attachAsset('BMW', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1,
		scaleY: 1
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
//<Assets used in the game will automatically appear here>
// Car class
var Car = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.attachAsset('BMW', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.maxSpeed = 10 * 1.7;
	self.acceleration = 0.2 * 1.7;
	self.deceleration = 0.1 * 1.7;
	self.update = function () {
		self.y -= self.speed;
		if (self.speed > 0) {
			self.speed -= self.deceleration;
		}
	};
	self.accelerate = function () {
		if (self.speed < self.maxSpeed) {
			self.speed += self.acceleration;
		}
	};
});
// Ferrari class
var Ferrari = Container.expand(function () {
	var self = Container.call(this);
	var ferrariGraphics = self.attachAsset('Ferrari', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 400,
		scaleY: 800 / 845.15
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// McLaren Ayrton Senna class
var McLarenAyrtonSenna = Container.expand(function () {
	var self = Container.call(this);
	var mclarenGraphics = self.attachAsset('McLarenAyrtonSenna', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 400,
		scaleY: 800 / 880
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// MercedesAMGPetronas class
var MercedesAMGPetronas = Container.expand(function () {
	var self = Container.call(this);
	var mercedesGraphics = self.attachAsset('MercedesAMGPetronas', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 505,
		scaleY: 800 / 835
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// RedBull class
var RedBull = Container.expand(function () {
	var self = Container.call(this);
	var redBullGraphics = self.attachAsset('RedBull', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 500,
		scaleY: 800 / 900
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// Renault class
var Renault = Container.expand(function () {
	var self = Container.call(this);
	var renaultGraphics = self.attachAsset('Renault', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 440,
		scaleY: 800 / 869.77
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});
// Williams class
var Williams = Container.expand(function () {
	var self = Container.call(this);
	var williamsGraphics = self.attachAsset('Williams', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 400 / 400,
		scaleY: 800 / 780.63
	});
	self.speed = 5 / 1.5 * 2 * 1.7;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 || obstacles.length > 4) {
			self.destroy();
			var index = obstacles.indexOf(self);
			if (index > -1) {
				obstacles.splice(index, 1);
			}
		}
	};
});

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

/**** 
* Game Code
****/ 
function countCarType(carType) {
	return obstacles.filter(function (obstacle) {
		return obstacle.constructor.name === carType;
	}).length;
}
// Add keyboard event listeners for controlling the player's car
var keys = {};
game.on('keydown', function (event) {
	keys[event.code] = true;
	if (event.code === 'KeyA') {
		car.x -= car.speed;
	}
});
game.on('keyup', function (event) {
	keys[event.code] = false;
});
var racetrack = LK.getAsset('racetrack', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(racetrack);
var leftFrame = LK.getAsset('leftFrame', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
});
game.addChild(leftFrame);
var rightFrame = LK.getAsset('rightFrame', {
	anchorX: 1,
	anchorY: 0,
	x: 2048,
	y: 0
});
game.addChild(rightFrame);
var car = game.addChild(new Car());
car.x = 2048 / 2;
car.y = 2732 - 200 - 277;
var obstacles = [];
var score = 0;
var lastSpawnTick = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
function spawnObstacle() {
	if (obstacles.length >= 3) {
		return;
	} // Limit to a maximum of three cars on the track
	var carTypes = [RedBull, Ferrari, Williams, MercedesAMGPetronas, AUDI, AstonMartin, BMW, AlfaRomeo, McLarenAyrtonSenna, Renault];
	var startX = 200;
	var spacing = 500;
	var carType;
	do {
		carType = carTypes[Math.floor(Math.random() * carTypes.length)];
	} while (countCarType(carType.name) >= 2);
	var car = new carType();
	car.x = startX + Math.floor(Math.random() * 4) * spacing;
	car.y = 200; // Position all cars at the same y-coordinate
	obstacles.push(car);
	game.addChild(car);
}
function updateScore() {
	score += 1;
	scoreTxt.setText(score);
}
game.move = function (x, y, obj) {
	car.x = x;
};
game.update = function () {
	car.update();
	// Update car position based on keyboard input
	if (keys['ArrowLeft'] || keys['KeyA']) {
		car.x -= car.speed;
	}
	if (keys['ArrowRight']) {
		car.x += car.speed;
	}
	if (keys['ArrowUp']) {
		car.accelerate();
	}
	// Ensure car does not move out of bounds
	if (car.x < 0) {
		car.x = 0;
	} else if (car.x > 2048) {
		car.x = 2048;
	}
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].update();
		if (car.intersects(obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	if (LK.ticks % 72 == 0) {
		// Spawn a car every 1.2 seconds (72 ticks)
		spawnObstacle();
		updateScore();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -21,16 +21,16 @@
 			}
 		}
 	};
 });
-// AstonMartin class
-var AstonMartin = Container.expand(function () {
+// AlfaRomeo class
+var AlfaRomeo = Container.expand(function () {
 	var self = Container.call(this);
-	var astonMartinGraphics = self.attachAsset('AstonMartin', {
+	var alfaRomeoGraphics = self.attachAsset('AlfaRomeo', {
 		anchorX: 0.5,
 		anchorY: 0.5,
-		scaleX: 400 / 440,
-		scaleY: 800 / 816.13
+		scaleX: 400 / 400,
+		scaleY: 800 / 650
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -42,16 +42,16 @@
 			}
 		}
 	};
 });
-// BMW class
-var BMW = Container.expand(function () {
+// AstonMartin class
+var AstonMartin = Container.expand(function () {
 	var self = Container.call(this);
-	var bmwGraphics = self.attachAsset('BMW', {
+	var astonMartinGraphics = self.attachAsset('AstonMartin', {
 		anchorX: 0.5,
 		anchorY: 0.5,
-		scaleX: 1,
-		scaleY: 1
+		scaleX: 400 / 440,
+		scaleY: 800 / 816.13
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -63,16 +63,16 @@
 			}
 		}
 	};
 });
-// BonusPetronas class
-var BonusPetronas = Container.expand(function () {
+// BMW class
+var BMW = Container.expand(function () {
 	var self = Container.call(this);
-	var bonusPetronasGraphics = self.attachAsset('BonusPetronas', {
+	var bmwGraphics = self.attachAsset('BMW', {
 		anchorX: 0.5,
 		anchorY: 0.5,
-		scaleX: 400 / 400,
-		scaleY: 800 / 650
+		scaleX: 1,
+		scaleY: 1
 	});
 	self.speed = 5 / 1.5 * 2 * 1.7;
 	self.update = function () {
 		self.y += self.speed;
@@ -298,9 +298,9 @@
 function spawnObstacle() {
 	if (obstacles.length >= 3) {
 		return;
 	} // Limit to a maximum of three cars on the track
-	var carTypes = [RedBull, Ferrari, Williams, MercedesAMGPetronas, AUDI, AstonMartin, BMW, BonusPetronas, McLarenAyrtonSenna, Renault];
+	var carTypes = [RedBull, Ferrari, Williams, MercedesAMGPetronas, AUDI, AstonMartin, BMW, AlfaRomeo, McLarenAyrtonSenna, Renault];
 	var startX = 200;
 	var spacing = 500;
 	var carType;
 	do {