/**** 
* Classes
****/ 
//<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('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Car movement logic
		if (self.y > 2732) {
			self.y = -carGraphics.height;
		}
		self.y += self.speed;
	};
});
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		// Obstacle movement logic
		if (self.y > 2732) {
			self.y = -obstacleGraphics.height;
			self.x = Math.random() * 2048;
		}
		self.y += self.speed;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({});

/**** 
* Game Code
****/ 
// Removed undefined variable 't' causing ReferenceError
// Initialize player car
var playerCar = game.addChild(new Car());
playerCar.x = 2048 / 2;
playerCar.y = 2732 - 200;
// Initialize obstacles
var obstacles = [];
for (var i = 0; i < 5; i++) {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * 2048;
	obstacle.y = Math.random() * 2732;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
// Handle touch events for car movement
game.down = function (x, y, obj) {
	playerCar.x = x;
	playerCar.y = y;
};
game.move = function (x, y, obj) {
	playerCar.x = x;
	playerCar.y = y;
};
game.up = function (x, y, obj) {
	// No action needed on touch up
};
// Update game state
game.update = function () {
	playerCar.update();
	for (var i = 0; i < obstacles.length; i++) {
		obstacles[i].update();
		if (playerCar.intersects(obstacles[i])) {
			// Flash screen red for 1 second (1000ms) to show collision
			LK.effects.flashScreen(0xff0000, 1000);
			// Show game over. The game will be automatically paused while game over is showing.
			LK.showGameOver();
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -43,9 +43,9 @@
 
 /**** 
 * Game Code
 ****/ 
-t;
+// Removed undefined variable 't' causing ReferenceError
 // Initialize player car
 var playerCar = game.addChild(new Car());
 playerCar.x = 2048 / 2;
 playerCar.y = 2732 - 200;