/**** 
* Classes
****/ 
// Define a class for bullets
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10;
	self.update = function () {
		self.y += self.speed;
		if (self.y < 0) {
			self.destroy();
		}
	};
});
// Define a class for enemies
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = 0;
			self.x = Math.random() * 2048;
		}
	};
});
// Define a class for plants
var Plant = Container.expand(function () {
	var self = Container.call(this);
	self.update = function () {
		// Update logic for plants
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		// Update logic for player
	};
});

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

/**** 
* Game Code
****/ 
// Initialize game state
var gameState = "menu";
// Initialize player
var player = game.addChild(new Player());
player.x = 1024;
player.y = 2500;
// Initialize plants
var plants = [];
for (var i = 0; i < 5; i++) {
	var plant = new Plant();
	plant.x = Math.random() * 2048;
	plant.y = Math.random() * 2732;
	plants.push(plant);
	game.addChild(plant);
}
// Initialize enemies
var enemies = [];
for (var i = 0; i < 5; i++) {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = Math.random() * 1000;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Initialize bullets
var bullets = [];
// Handle player movement
game.move = function (x, y, obj) {
	if (gameState === "playing") {
		player.x = x;
		player.y = y;
	}
};
// Handle shooting
game.down = function (x, y, obj) {
	if (gameState === "menu") {
		gameState = "playing";
	} else if (gameState === "playing") {
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		bullets.push(bullet);
		game.addChild(bullet);
	}
};
// Update game state
game.update = function () {
	if (gameState === "playing") {
		// Update player
		player.update();
		// Update enemies
		for (var i = 0; i < enemies.length; i++) {
			enemies[i].update();
		}
		// Update bullets
		for (var j = bullets.length - 1; j >= 0; j--) {
			bullets[j].update();
			if (bullets[j].y < 0) {
				bullets.splice(j, 1);
			}
		}
		// Check for collisions
		for (var k = bullets.length - 1; k >= 0; k--) {
			for (var l = enemies.length - 1; l >= 0; l--) {
				if (bullets[k].intersects(enemies[l])) {
					bullets[k].destroy();
					enemies[l].destroy();
					bullets.splice(k, 1);
					enemies.splice(l, 1);
					break;
				}
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -63,65 +63,51 @@
 
 /**** 
 * Game Code
 ****/ 
-// Define player in the global scope
-var player;
-// Define enemies in the global scope
-var enemies = [];
 // Initialize game state
 var gameState = "menu";
-// Initialize menu
-var menu = new Text2('Press to Start', {
-	size: 150,
-	fill: 0xFFFFFF
-});
-menu.anchor.set(0.5, 0.5);
-menu.x = 1024;
-menu.y = 1366;
-game.addChild(menu);
-// Handle game start
+// Initialize player
+var player = game.addChild(new Player());
+player.x = 1024;
+player.y = 2500;
+// Initialize plants
+var plants = [];
+for (var i = 0; i < 5; i++) {
+	var plant = new Plant();
+	plant.x = Math.random() * 2048;
+	plant.y = Math.random() * 2732;
+	plants.push(plant);
+	game.addChild(plant);
+}
+// Initialize enemies
+var enemies = [];
+for (var i = 0; i < 5; i++) {
+	var enemy = new Enemy();
+	enemy.x = Math.random() * 2048;
+	enemy.y = Math.random() * 1000;
+	enemies.push(enemy);
+	game.addChild(enemy);
+}
+// Initialize bullets
+var bullets = [];
+// Handle player movement
+game.move = function (x, y, obj) {
+	if (gameState === "playing") {
+		player.x = x;
+		player.y = y;
+	}
+};
+// Handle shooting
 game.down = function (x, y, obj) {
 	if (gameState === "menu") {
 		gameState = "playing";
-		menu.visible = false;
-		// Initialize player
-		player = game.addChild(new Player());
-		player.x = 1024;
-		player.y = 2500;
-		// Initialize plants
-		var plants = [];
-		for (var i = 0; i < 5; i++) {
-			var plant = new Plant();
-			plant.x = Math.random() * 2048;
-			plant.y = Math.random() * 2732;
-			plants.push(plant);
-			game.addChild(plant);
-		}
-		// Initialize enemies
-		var enemies = [];
-		for (var i = 0; i < 5; i++) {
-			var enemy = new Enemy();
-			enemy.x = Math.random() * 2048;
-			enemy.y = Math.random() * 1000;
-			enemies.push(enemy);
-			game.addChild(enemy);
-		}
-		// Initialize bullets
-		var bullets = [];
-		// Handle player movement
-		game.move = function (x, y, obj) {
-			player.x = x;
-			player.y = y;
-		};
-		// Handle shooting
-		game.down = function (x, y, obj) {
-			var bullet = new Bullet();
-			bullet.x = player.x;
-			bullet.y = player.y;
-			bullets.push(bullet);
-			game.addChild(bullet);
-		};
+	} else if (gameState === "playing") {
+		var bullet = new Bullet();
+		bullet.x = player.x;
+		bullet.y = player.y;
+		bullets.push(bullet);
+		game.addChild(bullet);
 	}
 };
 // Update game state
 game.update = function () {