===================================================================
--- original.js
+++ change.js
@@ -1,38 +1,60 @@
-/****
+/**** 
 * Classes
 ****/
+// Upgrade class
+var Upgrade = Container.expand(function () {
+	var self = Container.call(this);
+	var upgradeGraphics = self.createAsset('upgrade', 'Upgrade option', 0.5, 0.5);
+	self.cost = 50; // Cost of the upgrade
+	self.onClick = function () {
+		if (LK.getScore() >= self.cost) {
+			// Deduct cost and increase pizza value
+			LK.setScore(LK.getScore() - self.cost);
+			pizza.value += 1;
+			// Update score text
+			scoreTxt.setText("$" + LK.getScore());
+			// Add a visual effect or animation if needed
+		}
+	};
+	self.update = function () {
+		// Add any updates per frame here if needed
+	};
+});
 // Pizza class
 var Pizza = Container.expand(function () {
-  var self = Container.call(this);
-  var pizzaGraphics = self.createAsset('pizza', 'Clickable pizza', 0.5, 0.5);
-  self.value = 1; // Each click will earn the player $1
-  self.onClick = function () {
-    // Increase score
-    LK.setScore(LK.getScore() + self.value);
-    // Update score text
-    scoreTxt.setText("$" + LK.getScore());
-    // Add a visual effect or animation if needed
-  };
-  self.update = function () {
-    // Add any updates per frame here if needed
-  };
+	var self = Container.call(this);
+	var pizzaGraphics = self.createAsset('pizza', 'Clickable pizza', 0.5, 0.5);
+	self.value = 1; // Each click will earn the player $1
+	self.onClick = function () {
+		// Increase score
+		LK.setScore(LK.getScore() + self.value);
+		// Update score text
+		scoreTxt.setText("$" + LK.getScore());
+		// Add a visual effect or animation if needed
+	};
+	self.update = function () {
+		// Add any updates per frame here if needed
+	};
 });
 
-/****
+/**** 
 * Initialize Game
 ****/
 var game = new LK.Game({
-  backgroundColor: 0x000000 // Init game with black background
+	backgroundColor: 0x000000 // Init game with black background
 });
 
-/****
+/**** 
 * Game Code
 ****/
+var upgrade = game.addChild(new Upgrade());
+upgrade.x = 2048 - upgrade.width / 2;
+upgrade.y = upgrade.height / 2;
 // Score text
 var scoreTxt = new Text2('$0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Create pizza in the center of the screen
@@ -40,12 +62,16 @@
 pizza.x = 2048 / 2;
 pizza.y = 2732 / 2;
 // Event listener for clicking the pizza
 pizza.on('down', function (obj) {
-  pizza.onClick();
+	pizza.onClick();
+}); // Event listener for clicking the upgrade option
+upgrade.on('down', function (obj) {
+	upgrade.onClick();
 });
 // Main game tick event
 LK.on('tick', function () {
-  // Update the pizza each frame
-  pizza.update();
+	// Update the pizza and upgrade each frame
+	pizza.update();
+	upgrade.update();
 });
 // No need for additional game logic as the game is simple: click the pizza to earn money
\ No newline at end of file