===================================================================
--- original.js
+++ change.js
@@ -1,68 +1,6 @@
 /****
-* Classes
-****/
-// 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 = 10;
-  self.update = function () {
-    self.y -= self.speed;
-  };
-});
-// The assets will be automatically created and loaded by the LK engine
-// 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 movement and shooting logic goes here
-  };
-});
-
-/****
 * 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;
-// Initialize bullets array
-var bullets = [];
-// Game update function
-game.update = function () {
-  // Update bullets
-  for (var i = bullets.length - 1; i >= 0; i--) {
-    var bullet = bullets[i];
-    if (bullet.y < 0) {
-      bullets.splice(i, 1);
-      bullet.destroy();
-    }
-  }
-};
-// Game touch events
-game.down = function (x, y, obj) {
-  // Fire bullet
-  var bullet = new Bullet();
-  bullet.x = player.x;
-  bullet.y = player.y;
-  bullets.push(bullet);
-  game.addChild(bullet);
-};
-game.move = function (x, y, obj) {
-  // Move player
-  player.x = x;
-};
\ No newline at end of file
+	backgroundColor: 0x000000
+});
\ No newline at end of file