===================================================================
--- original.js
+++ change.js
@@ -1,98 +1,102 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 // Bullet class for shooting
 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;
-  };
+	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;
+	};
 });
 //<Assets used in the game will automatically appear here>
 // Dinosaur class representing the target
 var Dinosaur = Container.expand(function () {
-  var self = Container.call(this);
-  var dinosaurGraphics = self.attachAsset('dinosaur', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 3;
-  self.update = function () {
-    self.x += self.speed;
-    if (self.x > 2048) {
-      self.x = 0;
-    }
-  };
+	var self = Container.call(this);
+	var dinosaurGraphics = self.attachAsset('dinosaur', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 3;
+	self.update = function () {
+		self.x += self.speed;
+		if (self.x > 2048) {
+			self.x = 0;
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 var dinosaurs = [];
 var bullets = [];
 var score = 0;
 var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Function to spawn a dinosaur
 function spawnDinosaur() {
-  var dinosaur = new Dinosaur();
-  dinosaur.x = Math.random() * 2048;
-  dinosaur.y = Math.random() * 2732 / 2;
-  dinosaurs.push(dinosaur);
-  game.addChild(dinosaur);
+	var dinosaur = new Dinosaur();
+	dinosaur.x = Math.random() * 2048;
+	dinosaur.y = Math.random() * 2732 / 2;
+	dinosaurs.push(dinosaur);
+	game.addChild(dinosaur);
 }
 // Function to shoot a bullet
 function shootBullet(x, y) {
-  var bullet = new Bullet();
-  bullet.x = x;
-  bullet.y = y;
-  bullets.push(bullet);
-  game.addChild(bullet);
+	var bullet = new Bullet();
+	bullet.x = x;
+	bullet.y = y;
+	bullets.push(bullet);
+	game.addChild(bullet);
 }
 // Handle game updates
 game.update = function () {
-  for (var i = bullets.length - 1; i >= 0; i--) {
-    bullets[i].update();
-    if (bullets[i].y < 0) {
-      bullets[i].destroy();
-      bullets.splice(i, 1);
-    }
-  }
-  for (var j = dinosaurs.length - 1; j >= 0; j--) {
-    dinosaurs[j].update();
-    for (var k = bullets.length - 1; k >= 0; k--) {
-      if (dinosaurs[j].intersects(bullets[k])) {
-        score++;
-        scoreTxt.setText(score);
-        dinosaurs[j].destroy();
-        bullets[k].destroy();
-        dinosaurs.splice(j, 1);
-        bullets.splice(k, 1);
-        break;
-      }
-    }
-  }
-  if (LK.ticks % 120 == 0) {
-    spawnDinosaur();
-  }
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		bullets[i].update();
+		if (bullets[i].y < 0) {
+			bullets[i].destroy();
+			bullets.splice(i, 1);
+		}
+	}
+	for (var j = dinosaurs.length - 1; j >= 0; j--) {
+		dinosaurs[j].update();
+		if (dinosaurs[j].x > 2048) {
+			LK.showGameOver();
+			return;
+		}
+		for (var k = bullets.length - 1; k >= 0; k--) {
+			if (dinosaurs[j].intersects(bullets[k])) {
+				score++;
+				scoreTxt.setText(score);
+				dinosaurs[j].destroy();
+				bullets[k].destroy();
+				dinosaurs.splice(j, 1);
+				bullets.splice(k, 1);
+				break;
+			}
+		}
+	}
+	if (LK.ticks % 120 == 0) {
+		spawnDinosaur();
+	}
 };
 // Handle touch events for shooting
 game.down = function (x, y, obj) {
-  shootBullet(x, y);
+	shootBullet(x, y);
 };
\ No newline at end of file