===================================================================
--- original.js
+++ change.js
@@ -1,102 +1,102 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 //<Assets used in the game will automatically appear here>
 // Define the FlappyBird class
 var FlappyBird = Container.expand(function () {
-  var self = Container.call(this);
-  var birdGraphics = self.attachAsset('bird', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.velocity = 0;
-  self.gravity = 0.5;
-  self.flapStrength = -10;
-  self.update = function () {
-    self.velocity += self.gravity;
-    self.y += self.velocity;
-    if (self.y > 2732 - birdGraphics.height / 2) {
-      self.y = 2732 - birdGraphics.height / 2;
-      self.velocity = 0;
-    }
-    if (self.y < birdGraphics.height / 2) {
-      self.y = birdGraphics.height / 2;
-      self.velocity = 0;
-    }
-  };
-  self.flap = function () {
-    self.velocity = self.flapStrength;
-  };
+	var self = Container.call(this);
+	var birdGraphics = self.attachAsset('bird', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.velocity = 0;
+	self.gravity = 0.5;
+	self.flapStrength = -10;
+	self.update = function () {
+		self.velocity += self.gravity;
+		self.y += self.velocity;
+		if (self.y > 2732 - birdGraphics.height / 2) {
+			self.y = 2732 - birdGraphics.height / 2;
+			self.velocity = 0;
+		}
+		if (self.y < birdGraphics.height / 2) {
+			self.y = birdGraphics.height / 2;
+			self.velocity = 0;
+		}
+	};
+	self.flap = function () {
+		self.velocity = self.flapStrength;
+	};
 });
 // Define the Wall class
 var Wall = Container.expand(function () {
-  var self = Container.call(this);
-  var wallGraphics = self.attachAsset('wall', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = -5;
-  self.update = function () {
-    self.x += self.speed;
-    if (self.x < -wallGraphics.width / 2) {
-      self.destroy();
-    }
-  };
+	var self = Container.call(this);
+	var wallGraphics = self.attachAsset('wall', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -3;
+	self.update = function () {
+		self.x += self.speed;
+		if (self.x < -wallGraphics.width / 2) {
+			self.destroy();
+		}
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x87CEEB // Sky blue background
+	backgroundColor: 0x87CEEB // Sky blue background
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 var bird = game.addChild(new FlappyBird());
 bird.x = 2048 / 4;
 bird.y = 2732 / 2;
 var walls = [];
 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 spawnWall() {
-  var gapHeight = 400;
-  var gapPosition = Math.random() * (2732 - gapHeight) + gapHeight / 2;
-  var topWall = new Wall();
-  topWall.x = 2048 + 100;
-  topWall.y = gapPosition - gapHeight / 2 - topWall.height / 2;
-  walls.push(topWall);
-  game.addChild(topWall);
-  var bottomWall = new Wall();
-  bottomWall.x = 2048 + 100;
-  bottomWall.y = gapPosition + gapHeight / 2 + bottomWall.height / 2;
-  walls.push(bottomWall);
-  game.addChild(bottomWall);
+	var gapHeight = 400;
+	var gapPosition = Math.random() * (2732 - gapHeight) + gapHeight / 2;
+	var topWall = new Wall();
+	topWall.x = 2048 + 100;
+	topWall.y = gapPosition - gapHeight / 2 - topWall.height / 2;
+	walls.push(topWall);
+	game.addChild(topWall);
+	var bottomWall = new Wall();
+	bottomWall.x = 2048 + 100;
+	bottomWall.y = gapPosition + gapHeight / 2 + bottomWall.height / 2;
+	walls.push(bottomWall);
+	game.addChild(bottomWall);
 }
 game.down = function (x, y, obj) {
-  bird.flap();
+	bird.flap();
 };
 game.update = function () {
-  bird.update();
-  for (var i = walls.length - 1; i >= 0; i--) {
-    walls[i].update();
-    if (walls[i].intersects(bird)) {
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-    }
-    if (walls[i].x < bird.x && !walls[i].scored) {
-      score++;
-      scoreTxt.setText(score);
-      walls[i].scored = true;
-    }
-  }
-  if (LK.ticks % 90 == 0) {
-    spawnWall();
-  }
+	bird.update();
+	for (var i = walls.length - 1; i >= 0; i--) {
+		walls[i].update();
+		if (walls[i].intersects(bird)) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+		}
+		if (walls[i].x < bird.x && !walls[i].scored) {
+			score++;
+			scoreTxt.setText(score);
+			walls[i].scored = true;
+		}
+	}
+	if (LK.ticks % 90 == 0) {
+		spawnWall();
+	}
 };
\ No newline at end of file