===================================================================
--- original.js
+++ change.js
@@ -101,8 +101,24 @@
 	self.updateScore = function (newScore) {
 		scoreText.setText('$' + newScore.toString());
 	};
 });
+// Star class
+var Star = Container.expand(function () {
+	var self = Container.call(this);
+	var starGraphics = self.attachAsset('star', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = Math.random() * 5 + 2; // Random speed between 2 and 7
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.y = -starGraphics.height;
+			self.x = Math.random() * 2048;
+		}
+	};
+});
 // Upgrade class
 var Upgrade = Container.expand(function () {
 	var self = Container.call(this);
 	var upgradeGraphics = self.attachAsset('upgrade', {
@@ -149,8 +165,23 @@
 
 /**** 
 * Game Code
 ****/ 
+// Initialize stars
+var stars = [];
+for (var i = 0; i < 50; i++) {
+	var star = new Star();
+	star.x = Math.random() * 2048;
+	star.y = Math.random() * 2732;
+	stars.push(star);
+	game.addChild(star);
+}
+// Update stars every tick
+game.update = function () {
+	for (var i = 0; i < stars.length; i++) {
+		stars[i].update();
+	}
+};
 // Initialize pizza
 var pizza = game.addChild(new Pizza());
 pizza.x = 2048 / 2;
 pizza.y = 2732 / 2;