===================================================================
--- original.js
+++ change.js
@@ -1,59 +1,66 @@
-/****
+/**** 
 * Classes
 ****/
 var Hero = Container.expand(function () {
-  var self = Container.call(this);
-  var heroGraphics = self.attachAsset('hero', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speedY = 0;
-  self.gravity = 0.5;
-  self.jumpForce = -10;
-  self.jump = function () {
-    self.speedY = self.jumpForce;
-  };
-  self.update = function () {
-    self.y += self.speedY;
-    self.speedY += self.gravity;
-    // Prevent hero from falling below the ground
-    if (self.y > 2732 - 25) {
-      self.y = 2732 - 25;
-      self.speedY = 0;
-    }
-  };
+	var self = Container.call(this);
+	var heroGraphics = self.attachAsset('hero', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedY = 0;
+	self.gravity = 0.5;
+	self.jumpForce = -10;
+	self.jump = function () {
+		self.speedY = self.jumpForce;
+	};
+	self.update = function () {
+		self.y += self.speedY;
+		self.speedY += self.gravity;
+		// Prevent hero from falling below the ground
+		if (self.y > 2732 - 25) {
+			self.y = 2732 - 25;
+			self.speedY = 0;
+		}
+	};
 });
 var Obstacle = Container.expand(function () {
-  var self = Container.call(this);
-  var obstacleGraphics = self.attachAsset('obstacle', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speedX = -5;
-  self.move = function () {
-    self.x += self.speedX;
-  };
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedX = -5;
+	self.move = function () {
+		self.x += self.speedX;
+	};
 });
 var Tower = Container.expand(function () {
-  var self = Container.call(this);
-  var towerGraphics = self.attachAsset('tower', {
-    anchorX: 0.5,
-    anchorY: 0
-  });
-  self.x = 2048 / 2; // Center the tower
+	var self = Container.call(this);
+	var towerGraphics = self.attachAsset('tower', {
+		anchorX: 0.5,
+		anchorY: 0
+	});
+	self.x = 2048 / 2; // Center the tower
 });
 
-/****
+/**** 
 * Initialize Game
 ****/
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background
 });
 
-/****
+/**** 
 * Game Code
 ****/
+// Create static platforms
+for (var i = 0; i < 10; i++) {
+	var platform = new Obstacle();
+	platform.x = i * 200;
+	platform.y = 2732 - 100;
+	obstacles.push(game.addChild(platform));
+}
 var hero = game.addChild(new Hero());
 hero.x = 2048 / 2;
 hero.y = 2732 / 2;
 var towers = [];
@@ -61,31 +68,10 @@
 // Create initial tower
 var initialTower = game.addChild(new Tower());
 // Handle touch to make the hero jump
 game.on('down', function () {
-  hero.jump();
+	hero.jump();
 });
 // Game tick
 LK.on('tick', function () {
-  hero.update();
-  // Move obstacles and check for collision with hero
-  for (var i = obstacles.length - 1; i >= 0; i--) {
-    obstacles[i].move();
-    if (hero.intersects(obstacles[i])) {
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-    }
-    // Remove off-screen obstacles
-    if (obstacles[i].x < -50) {
-      obstacles[i].destroy();
-      obstacles.splice(i, 1);
-    }
-  }
-  // Add new obstacles
-  if (LK.ticks % 120 == 0) {
-    // Every 2 seconds
-    var newObstacle = new Obstacle();
-    newObstacle.x = 2048 + 50; // Start off-screen to the right
-    newObstacle.y = Math.random() * (2732 - 50); // Random height
-    obstacles.push(game.addChild(newObstacle));
-  }
+	hero.update();
 });
\ No newline at end of file