===================================================================
--- original.js
+++ change.js
@@ -1,111 +1,111 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // The assets will be automatically created and loaded by the LK engine
 // Class for the player's bullet
 var PlayerBullet = Container.expand(function () {
-  var self = Container.call(this);
-  var bulletGraphics = self.attachAsset('playerBullet', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = -10;
-  self.update = function () {
-    self.y += self.speed;
-    if (self.y < 0) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('playerBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -15;
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y < 0) {
+			self.destroy();
+		}
+	};
 });
 // Class for the target
 var Target = Container.expand(function () {
-  var self = Container.call(this);
-  var targetGraphics = self.attachAsset('target', {
-    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;
-    }
-  };
+	var self = Container.call(this);
+	var targetGraphics = self.attachAsset('target', {
+		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;
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background 
+	backgroundColor: 0x000000 // Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize player's bullet and target arrays
 var playerBullets = [];
 var targets = [];
 // Initialize score and timer
 var score = 0;
 var timer = 60;
 // Create score and timer text
 var scoreText = new Text2('Score: 0', {
-  size: 50,
-  fill: "#ffffff"
+	size: 50,
+	fill: "#ffffff"
 });
 scoreText.x = 20;
 scoreText.y = 20;
 game.addChild(scoreText);
 var timerText = new Text2('Time: 60', {
-  size: 50,
-  fill: "#ffffff"
+	size: 50,
+	fill: "#ffffff"
 });
 timerText.x = 2048 - 20;
 timerText.y = 20;
 timerText.anchor.set(1, 0);
 game.addChild(timerText);
 // Create targets
 for (var i = 0; i < 10; i++) {
-  var target = new Target();
-  target.x = Math.random() * 2048;
-  target.y = Math.random() * 2732;
-  targets.push(target);
-  game.addChild(target);
+	var target = new Target();
+	target.x = Math.random() * 2048;
+	target.y = Math.random() * 2732;
+	targets.push(target);
+	game.addChild(target);
 }
 // Game update function
 game.update = function () {
-  // Update score and timer text
-  scoreText.setText('Score: ' + score);
-  timerText.setText('Time: ' + timer);
-  // Check for bullet and target collision
-  for (var i = playerBullets.length - 1; i >= 0; i--) {
-    for (var j = targets.length - 1; j >= 0; j--) {
-      if (playerBullets[i].intersects(targets[j])) {
-        playerBullets[i].destroy();
-        playerBullets.splice(i, 1);
-        targets[j].destroy();
-        targets.splice(j, 1);
-        score++;
-        break;
-      }
-    }
-  }
-  // End game when timer reaches 0
-  if (timer <= 0) {
-    LK.showGameOver();
-  }
+	// Update score and timer text
+	scoreText.setText('Score: ' + score);
+	timerText.setText('Time: ' + timer);
+	// Check for bullet and target collision
+	for (var i = playerBullets.length - 1; i >= 0; i--) {
+		for (var j = targets.length - 1; j >= 0; j--) {
+			if (playerBullets[i].intersects(targets[j])) {
+				playerBullets[i].destroy();
+				playerBullets.splice(i, 1);
+				targets[j].destroy();
+				targets.splice(j, 1);
+				score++;
+				break;
+			}
+		}
+	}
+	// End game when timer reaches 0
+	if (timer <= 0) {
+		LK.showGameOver();
+	}
 };
 // Game down event function
 game.down = function (x, y, obj) {
-  var bullet = new PlayerBullet();
-  bullet.x = x;
-  bullet.y = 2732;
-  playerBullets.push(bullet);
-  game.addChild(bullet);
+	var bullet = new PlayerBullet();
+	bullet.x = x;
+	bullet.y = 2732;
+	playerBullets.push(bullet);
+	game.addChild(bullet);
 };
 // Set interval to decrease timer every second
 LK.setInterval(function () {
-  timer--;
+	timer--;
 }, 1000);
\ No newline at end of file