/**** 
* Classes
****/ 
// Define a simple Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.y += self.speed;
	};
});
// Define a simple Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Enemy update logic
	};
});
//<Assets used in the game will automatically appear here>
// Define a simple Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Player update logic
	};
});

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

/**** 
* Game Code
****/ 
// Create main menu text
var mainMenuText = new Text2('Main Menu', {
	size: 150,
	fill: "#ffffff"
});
mainMenuText.anchor.set(0.5, 0);
LK.gui.center.addChild(mainMenuText);
// Create start game button
var startButton = new Text2('Start Game', {
	size: 100,
	fill: "#ffffff"
});
startButton.anchor.set(0.5, 0);
startButton.y = 200;
LK.gui.center.addChild(startButton);
// Create start game button
var startButton = new Text2('Start Game', {
	size: 100,
	fill: "#ffffff"
});
startButton.anchor.set(0.5, 0);
startButton.y = 200;
LK.gui.center.addChild(startButton);
// Handle game down events
game.down = function (x, y, obj) {
	if (startButton.intersects(obj)) {
		// Remove main menu elements
		mainMenuText.destroy();
		startButton.destroy();
		// Start game logic
	}
};

===================================================================
--- original.js
+++ change.js
@@ -61,8 +61,16 @@
 });
 startButton.anchor.set(0.5, 0);
 startButton.y = 200;
 LK.gui.center.addChild(startButton);
+// Create start game button
+var startButton = new Text2('Start Game', {
+	size: 100,
+	fill: "#ffffff"
+});
+startButton.anchor.set(0.5, 0);
+startButton.y = 200;
+LK.gui.center.addChild(startButton);
 // Handle game down events
 game.down = function (x, y, obj) {
 	if (startButton.intersects(obj)) {
 		// Remove main menu elements