===================================================================
--- original.js
+++ change.js
@@ -1,64 +1,64 @@
-/****
+/**** 
 * Classes
-****/
-// Bullet class for the cop's bullets
+****/ 
+// Bullet class for the Space Shooter's bullets
 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;
-  };
+	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;
+	};
 });
 //<Assets used in the game will automatically appear here>
 //<Write imports for supported plugins here>
-// Cop class representing the player character
+// SpaceShip class representing the player character
 var Cop = Container.expand(function () {
-  var self = Container.call(this);
-  var copGraphics = self.attachAsset('cop', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 10;
-  self.update = function () {
-    // Update logic for the cop
-  };
-  self.move = function (x, y) {
-    self.x = x;
-    self.y = y;
-  };
+	var self = Container.call(this);
+	var copGraphics = self.attachAsset('cop', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 10;
+	self.update = function () {
+		// Update logic for the cop
+	};
+	self.move = function (x, y) {
+		self.x = x;
+		self.y = y;
+	};
 });
-// Thief class representing the enemy
+// Alien class representing the enemy
 var Thief = Container.expand(function () {
-  var self = Container.call(this);
-  var thiefGraphics = self.attachAsset('thief', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 5;
-  self.update = function () {
-    self.y += self.speed;
-    if (self.y > 2732) {
-      self.y = -self.height;
-      self.x = Math.random() * 2048;
-    }
-  };
+	var self = Container.call(this);
+	var thiefGraphics = self.attachAsset('thief', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 5;
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.y = -self.height;
+			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 game variables
 var cop = new Cop();
 var thieves = [];
 var bullets = [];
@@ -68,60 +68,60 @@
 cop.x = 1024;
 cop.y = 2400;
 // Create thieves
 for (var i = 0; i < 5; i++) {
-  var thief = new Thief();
-  thief.x = Math.random() * 2048;
-  thief.y = Math.random() * -2732;
-  thieves.push(thief);
-  game.addChild(thief);
+	var thief = new Thief();
+	thief.x = Math.random() * 2048;
+	thief.y = Math.random() * -2732;
+	thieves.push(thief);
+	game.addChild(thief);
 }
 // Handle game updates
 game.update = function () {
-  // Update cop
-  cop.update();
-  // Update thieves
-  for (var i = 0; i < thieves.length; i++) {
-    thieves[i].update();
-    if (cop.intersects(thieves[i])) {
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-    }
-  }
-  // Update bullets
-  for (var j = bullets.length - 1; j >= 0; j--) {
-    bullets[j].update();
-    if (bullets[j].y < -50) {
-      bullets[j].destroy();
-      bullets.splice(j, 1);
-    } else {
-      for (var k = thieves.length - 1; k >= 0; k--) {
-        if (bullets[j].intersects(thieves[k])) {
-          score++;
-          bullets[j].destroy();
-          bullets.splice(j, 1);
-          thieves[k].destroy();
-          thieves.splice(k, 1);
-          break;
-        }
-      }
-    }
-  }
-  // Fire bullets
-  if (LK.ticks % 20 == 0) {
-    var bullet = new Bullet();
-    bullet.x = cop.x;
-    bullet.y = cop.y;
-    bullets.push(bullet);
-    game.addChild(bullet);
-  }
+	// Update cop
+	cop.update();
+	// Update thieves
+	for (var i = 0; i < thieves.length; i++) {
+		thieves[i].update();
+		if (cop.intersects(thieves[i])) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+		}
+	}
+	// Update bullets
+	for (var j = bullets.length - 1; j >= 0; j--) {
+		bullets[j].update();
+		if (bullets[j].y < -50) {
+			bullets[j].destroy();
+			bullets.splice(j, 1);
+		} else {
+			for (var k = thieves.length - 1; k >= 0; k--) {
+				if (bullets[j].intersects(thieves[k])) {
+					score++;
+					bullets[j].destroy();
+					bullets.splice(j, 1);
+					thieves[k].destroy();
+					thieves.splice(k, 1);
+					break;
+				}
+			}
+		}
+	}
+	// Fire bullets
+	if (LK.ticks % 20 == 0) {
+		var bullet = new Bullet();
+		bullet.x = cop.x;
+		bullet.y = cop.y;
+		bullets.push(bullet);
+		game.addChild(bullet);
+	}
 };
 // Handle touch events
 game.down = function (x, y, obj) {
-  cop.move(x, y);
+	cop.move(x, y);
 };
 game.move = function (x, y, obj) {
-  cop.move(x, y);
+	cop.move(x, y);
 };
 game.up = function (x, y, obj) {
-  // No action needed on touch up
+	// No action needed on touch up
 };
\ No newline at end of file