===================================================================
--- original.js
+++ change.js
@@ -1,50 +1,50 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // 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 = 3;
-  self.update = function () {
-    self.x += self.speed;
-  };
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 3;
+	self.update = function () {
+		self.x += 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
-  });
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
 });
 // Player class
 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 () {
-    self.y += self.speed;
-  };
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 5;
+	self.update = function () {
+		self.y += self.speed;
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize assets used in this game.
 var player = game.addChild(new Player());
 player.x = 1024;
 player.y = 2732;
@@ -52,17 +52,20 @@
 enemy.x = 0;
 enemy.y = Math.random() * 2732;
 var obstacles = [];
 for (var i = 0; i < 10; i++) {
-  var obstacle = game.addChild(new Obstacle());
-  obstacle.x = Math.random() * 2048;
-  obstacle.y = Math.random() * 2732;
-  obstacles.push(obstacle);
+	var obstacle = game.addChild(new Obstacle());
+	obstacle.x = Math.random() * 2048;
+	obstacle.y = Math.random() * 2732;
+	obstacles.push(obstacle);
 }
-game.down = function (x, y, obj) {
-  player.y -= 100;
+game.move = function (x, y, obj) {
+	player.x = x;
+	player.y = y;
 };
 game.update = function () {
-  if (player.intersects(enemy) || obstacles.some(obstacle => player.intersects(obstacle))) {
-    LK.showGameOver();
-  }
+	if (player.intersects(enemy) || obstacles.some(function (obstacle) {
+		return player.intersects(obstacle);
+	})) {
+		LK.showGameOver();
+	}
 };
\ No newline at end of file