diff --git a/engine.js b/engine.js
index deff7d3..8853903 100644
--- a/engine.js
+++ b/engine.js
@@ -3,28 +3,28 @@
     var vendors = ['ms', 'moz', 'webkit', 'o'];
     for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
         window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
-        window.cancelAnimationFrame = 
+        window.cancelAnimationFrame =
           window[vendors[x]+'CancelAnimationFrame'] || window[vendors[x]+'CancelRequestAnimationFrame'];
     }
- 
+
     if (!window.requestAnimationFrame)
         window.requestAnimationFrame = function(callback, element) {
             var currTime = new Date().getTime();
             var timeToCall = Math.max(0, 16 - (currTime - lastTime));
-            var id = window.setTimeout(function() { callback(currTime + timeToCall); }, 
+            var id = window.setTimeout(function() { callback(currTime + timeToCall); },
               timeToCall);
             lastTime = currTime + timeToCall;
             return id;
         };
- 
+
     if (!window.cancelAnimationFrame)
         window.cancelAnimationFrame = function(id) {
             clearTimeout(id);
         };
 }());
-  
 
-var Game = new function() {                                                                  
+
+var Game = new function() {
   var boards = [];
 
   // Game Initialization
@@ -43,7 +43,7 @@ var Game = new function() {
 
     this.setupInput();
 
-    this.loop(); 
+    this.loop();
 
     if(this.mobile) {
       this.setBoard(4,new TouchControls());
@@ -51,7 +51,7 @@ var Game = new function() {
 
     SpriteSheet.load(sprite_data,callback);
   };
-  
+
 
   // Handle Input
   var KEY_CODES = { 37:'left', 39:'right', 32 :'fire' };
@@ -67,7 +67,7 @@ var Game = new function() {
 
     window.addEventListener('keyup',function(e) {
       if(KEY_CODES[e.keyCode]) {
-       Game.keys[KEY_CODES[e.keyCode]] = false; 
+       Game.keys[KEY_CODES[e.keyCode]] = false;
        e.preventDefault();
       }
     },false);
@@ -77,21 +77,21 @@ var Game = new function() {
   var lastTime = new Date().getTime();
   var maxTime = 1/30;
   // Game Loop
-  this.loop = function() { 
+  this.loop = function() {
     var curTime = new Date().getTime();
     requestAnimationFrame(Game.loop);
     var dt = (curTime - lastTime)/1000;
     if(dt > maxTime) { dt = maxTime; }
 
     for(var i=0,len = boards.length;i<len;i++) {
-      if(boards[i]) { 
+      if(boards[i]) {
         boards[i].step(dt);
         boards[i].draw(Game.ctx);
       }
     }
     lastTime = curTime;
   };
-  
+
   // Change an active game board
   this.setBoard = function(num,board) { boards[num] = board; };
 
@@ -100,7 +100,7 @@ var Game = new function() {
     var container = document.getElementById("container"),
         hasTouch =  !!('ontouchstart' in window),
         w = window.innerWidth, h = window.innerHeight;
-      
+
     if(hasTouch) { this.mobile = true; }
 
     if(screen.width >= 1280 || !hasTouch) { return false; }
@@ -139,9 +139,9 @@ var Game = new function() {
 
 
 var SpriteSheet = new function() {
-  this.map = { }; 
+  this.map = { };
 
-  this.load = function(spriteData,callback) { 
+  this.load = function(spriteData,callback) {
     this.map = spriteData;
     this.image = new Image();
     this.image.onload = callback;
@@ -152,9 +152,9 @@ var SpriteSheet = new function() {
     var s = this.map[sprite];
     if(!frame) frame = 0;
     ctx.drawImage(this.image,
-                     s.sx + frame * s.w, 
-                     s.sy, 
-                     s.w, s.h, 
+                     s.sx + frame * s.w,
+                     s.sy,
+                     s.w, s.h,
                      Math.floor(x), Math.floor(y),
                      s.w, s.h);
   };
@@ -173,7 +173,7 @@ var TitleScreen = function TitleScreen(title,subtitle,callback) {
     ctx.fillStyle = "#FFFFFF";
 
     ctx.font = "bold 40px bangers";
-    var measure = ctx.measureText(title);  
+    var measure = ctx.measureText(title);
     ctx.fillText(title,Game.width/2 - measure.width/2,Game.height/2);
 
     ctx.font = "bold 20px bangers";
@@ -191,18 +191,18 @@ var GameBoard = function() {
   this.cnt = {};
 
   // Add a new object to the object list
-  this.add = function(obj) { 
-    obj.board=this; 
-    this.objects.push(obj); 
+  this.add = function(obj) {
+    obj.board=this;
+    this.objects.push(obj);
     this.cnt[obj.type] = (this.cnt[obj.type] || 0) + 1;
-    return obj; 
+    return obj;
   };
 
   // Mark an object for removal
-  this.remove = function(obj) { 
+  this.remove = function(obj) {
     var idx = this.removed.indexOf(obj);
     if(idx == -1) {
-      this.removed.push(obj); 
+      this.removed.push(obj);
       return true;
     } else {
       return false;
@@ -223,7 +223,7 @@ var GameBoard = function() {
     }
   };
 
-  // Call the same method on all current objects 
+  // Call the same method on all current objects
   this.iterate = function(funcName) {
      var args = Array.prototype.slice.call(arguments,1);
      for(var i=0,len=this.objects.length;i<len;i++) {
@@ -242,7 +242,7 @@ var GameBoard = function() {
 
   // Call step on all objects and them delete
   // any object that have been marked for removal
-  this.step = function(dt) { 
+  this.step = function(dt) {
     this.resetRemoved();
     this.iterate('step',dt);
     this.finalizeRemoved();
@@ -253,7 +253,7 @@ var GameBoard = function() {
     this.iterate('draw',ctx);
   };
 
-  // Check for a collision between the 
+  // Check for a collision between the
   // bounding rects of two objects
   this.overlap = function(o1,o2) {
     return !((o1.y+o1.h-1<o2.y) || (o1.y>o2.y+o2.h-1) ||
@@ -318,9 +318,9 @@ Level.prototype.step = function(dt) {
 
   //   Start, End,  Gap, Type,   Override
   // [ 0,     4000, 500, 'step', { x: 100 } ]
-  while((curShip = this.levelData[idx]) && 
+  while((curShip = this.levelData[idx]) &&
         (curShip[0] < this.t + 2000)) {
-    // Check if we've passed the end time 
+    // Check if we've passed the end time
     if(this.t > curShip[1]) {
       remove.push(curShip);
     } else if(curShip[0] < this.t) {
@@ -343,7 +343,7 @@ Level.prototype.step = function(dt) {
     if(remIdx != -1) this.levelData.splice(remIdx,1);
   }
 
-  // If there are no more enemies on the board or in 
+  // If there are no more enemies on the board or in
   // levelData, this level is done
   if(this.levelData.length === 0 && this.board.cnt[OBJECT_ENEMY] === 0) {
     if(this.callback) this.callback();
@@ -371,8 +371,8 @@ var TouchControls = function() {
 
     var txtSize = ctx.measureText(txt);
 
-    ctx.fillText(txt, 
-                 x+blockWidth/2-txtSize.width/2, 
+    ctx.fillText(txt,
+                 x+blockWidth/2-txtSize.width/2,
                  y+3*blockWidth/4+5);
   };
 
@@ -400,10 +400,10 @@ var TouchControls = function() {
       x = touch.pageX / Game.canvasMultiplier - Game.canvas.offsetLeft;
       if(x < unitWidth) {
         Game.keys['left'] = true;
-      } 
+      }
       if(x > unitWidth && x < 2*unitWidth) {
         Game.keys['right'] = true;
-      } 
+      }
     }
 
     if(e.type == 'touchstart' || e.type == 'touchend') {
diff --git a/game.js b/game.js
index 0f18bba..4eee6b3 100644
--- a/game.js
+++ b/game.js
@@ -10,13 +10,13 @@ var sprites = {
 };
 
 var enemies = {
-  straight: { x: 0,   y: -50, sprite: 'enemy_ship', health: 10, 
+  straight: { x: 0,   y: -50, sprite: 'enemy_ship', health: 10,
               E: 100 },
-  ltr:      { x: 0,   y: -100, sprite: 'enemy_purple', health: 10, 
+  ltr:      { x: 0,   y: -100, sprite: 'enemy_purple', health: 10,
               B: 75, C: 1, E: 100, missiles: 2  },
-  circle:   { x: 250,   y: -50, sprite: 'enemy_circle', health: 10, 
+  circle:   { x: 250,   y: -50, sprite: 'enemy_circle', health: 10,
               A: 0,  B: -100, C: 1, E: 20, F: 100, G: 1, H: Math.PI/2 },
-  wiggle:   { x: 100, y: -50, sprite: 'enemy_bee', health: 20, 
+  wiggle:   { x: 100, y: -50, sprite: 'enemy_bee', health: 20,
               B: 50, C: 4, E: 100, firePercentage: 0.001, missiles: 2 },
   step:     { x: 0,   y: -50, sprite: 'enemy_circle', health: 10,
               B: 150, C: 1.2, E: 75 }
@@ -38,8 +38,8 @@ var startGame = function() {
     Game.setBoard(0,new Starfield(20,0.4,100,true));
     Game.setBoard(1,new Starfield(50,0.6,100));
     Game.setBoard(2,new Starfield(100,1.0,50));
-  }  
-  Game.setBoard(3,new TitleScreen("Alien Invasion", 
+  }
+  Game.setBoard(3,new TitleScreen("Alien Invasion",
                                   "Press fire to start playing",
                                   playGame));
 };
@@ -67,13 +67,13 @@ var playGame = function() {
 };
 
 var winGame = function() {
-  Game.setBoard(3,new TitleScreen("You win!", 
+  Game.setBoard(3,new TitleScreen("You win!",
                                   "Press fire to play again",
                                   playGame));
 };
 
 var loseGame = function() {
-  Game.setBoard(3,new TitleScreen("You lose!", 
+  Game.setBoard(3,new TitleScreen("You lose!",
                                   "Press fire to play again",
                                   playGame));
 };
@@ -82,13 +82,13 @@ var Starfield = function(speed,opacity,numStars,clear) {
 
   // Set up the offscreen canvas
   var stars = document.createElement("canvas");
-  stars.width = Game.width; 
+  stars.width = Game.width;
   stars.height = Game.height;
   var starCtx = stars.getContext("2d");
 
   var offset = 0;
 
-  // If the clear option is set, 
+  // If the clear option is set,
   // make the background black instead of transparent
   if(clear) {
     starCtx.fillStyle = "#000";
@@ -139,7 +139,7 @@ var Starfield = function(speed,opacity,numStars,clear) {
   };
 };
 
-var PlayerShip = function() { 
+var PlayerShip = function() {
   this.setup('ship', { vx: 0, reloadTime: 0.25, maxVel: 200 });
 
   this.reload = this.reloadTime;
@@ -154,7 +154,7 @@ var PlayerShip = function() {
     this.x += this.vx * dt;
 
     if(this.x < 0) { this.x = 0; }
-    else if(this.x > Game.width - this.w) { 
+    else if(this.x > Game.width - this.w) {
       this.x = Game.width - this.w;
     }
 
@@ -182,7 +182,7 @@ PlayerShip.prototype.hit = function(damage) {
 var PlayerMissile = function(x,y) {
   this.setup('missile',{ vy: -700, damage: 10 });
   this.x = x - this.w/2;
-  this.y = y - this.h; 
+  this.y = y - this.h;
 };
 
 PlayerMissile.prototype = new Sprite();
@@ -194,8 +194,8 @@ PlayerMissile.prototype.step = function(dt)  {
   if(collision) {
     collision.hit(this.damage);
     this.board.remove(this);
-  } else if(this.y < -this.h) { 
-      this.board.remove(this); 
+  } else if(this.y < -this.h) {
+      this.board.remove(this);
   }
 };
 
@@ -209,9 +209,9 @@ var Enemy = function(blueprint,override) {
 Enemy.prototype = new Sprite();
 Enemy.prototype.type = OBJECT_ENEMY;
 
-Enemy.prototype.baseParameters = { A: 0, B: 0, C: 0, D: 0, 
+Enemy.prototype.baseParameters = { A: 0, B: 0, C: 0, D: 0,
                                    E: 0, F: 0, G: 0, H: 0,
-                                   t: 0, reloadTime: 0.75, 
+                                   t: 0, reloadTime: 0.75,
                                    reload: 0 };
 
 Enemy.prototype.step = function(dt) {
@@ -253,7 +253,7 @@ Enemy.prototype.hit = function(damage) {
   if(this.health <=0) {
     if(this.board.remove(this)) {
       Game.points += this.points || 100;
-      this.board.add(new Explosion(this.x + this.w/2, 
+      this.board.add(new Explosion(this.x + this.w/2,
                                    this.y + this.h/2));
     }
   }
@@ -275,7 +275,7 @@ EnemyMissile.prototype.step = function(dt)  {
     collision.hit(this.damage);
     this.board.remove(this);
   } else if(this.y > Game.height) {
-      this.board.remove(this); 
+      this.board.remove(this);
   }
 };
 
@@ -299,5 +299,3 @@ Explosion.prototype.step = function(dt) {
 window.addEventListener("load", function() {
   Game.initialize("game",sprites,startGame);
 });
-
-