/**** 
* 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 = -15;
	self.update = function () {
		self.y += self.speed;
		if (self.y < 0) {
			self.destroy();
		}
	};
	return self;
});
// 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.speed = 0;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.destroy();
		}
	};
	return self;
});
//<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,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.speed = 10;
	self.update = function () {
		// Player update logic
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 200;
// Add leaf assets to the left and right sides of the screen
var leftLeaf = game.addChild(LK.getAsset('leaf', {
	x: 0,
	y: 0
}));
var rightLeaf = game.addChild(LK.getAsset('leaf', {
	x: 2048 - 100,
	y: 0
}));
var line = game.addChild(LK.getAsset('line', {
	x: 0,
	y: 2732 / 2
}));
var centerCircle = game.addChild(LK.getAsset('centerCircle', {
	x: 2048 / 2,
	y: 2732 / 2,
	anchorX: 0.5,
	anchorY: 0.5,
	fill: false
}));
// Initialize enemies array
var enemies = [];
// Initialize bullets array
var bullets = [];
var destroyedEnemies = 0;
// Handle player movement
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
	if (player.y < line.y) {
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
};
// 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);
};
// Update game state
game.update = function () {
	// Update player
	player.update();
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (enemies[i].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		bullets[j].update();
		for (var k = enemies.length - 1; k >= 0; k--) {
			if (bullets[j].intersects(enemies[k])) {
				bullets[j].destroy();
				enemies[k].destroy();
				bullets.splice(j, 1);
				enemies.splice(k, 1);
				LK.effects.flashScreen(0xaaaaaa, 1000); // Add flash screen effect
				destroyedEnemies++;
				if (destroyedEnemies == 5) {
					var superText = new Text2('Super!', {
						size: 150,
						fill: "#ffffff"
					});
					superText.anchor.set(0.5, 0);
					LK.gui.center.addChild(superText);
					LK.setTimeout(function () {
						superText.destroy();
					}, 3000);
				}
				if (destroyedEnemies % 20 == 0 && destroyedEnemies != 0) {
					var goodText = new Text2('Good!', {
						size: 150,
						fill: "#ffffff"
					});
					goodText.anchor.set(0.5, 0);
					LK.gui.center.addChild(goodText);
					LK.setTimeout(function () {
						goodText.destroy();
					}, 3000);
				}
				break;
			}
		}
	}
	// Spawn enemies
	if (LK.ticks % 60 == 0) {
		var enemy = new Enemy();
		enemy.x = Math.random() * 2048;
		enemy.y = 0;
		enemies.push(enemy);
		game.addChild(enemy);
	}
};

===================================================================
--- original.js
+++ change.js
@@ -80,9 +80,10 @@
 var centerCircle = game.addChild(LK.getAsset('centerCircle', {
 	x: 2048 / 2,
 	y: 2732 / 2,
 	anchorX: 0.5,
-	anchorY: 0.5
+	anchorY: 0.5,
+	fill: false
 }));
 // Initialize enemies array
 var enemies = [];
 // Initialize bullets array