===================================================================
--- original.js
+++ change.js
@@ -63,8 +63,27 @@
 	self.update = function () {
 		// Add any updates per frame here if needed
 	};
 });
+// MegaUpgradeButton class
+var MegaUpgradeButton = Container.expand(function () {
+	var self = Container.call(this);
+	var megaUpgradeButtonGraphics = self.createAsset('megaUpgradeButton', 'Mega Upgrade button', 0.5, 0.5);
+	self.cost = 10000; // Cost of the mega upgrade button
+	self.onClick = function () {
+		if (LK.getScore() >= self.cost) {
+			// Deduct cost and increase pizza value significantly
+			LK.setScore(LK.getScore() - self.cost);
+			pizza.value += 20 * 20; // Now each click will earn 20 times more
+			// 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
 ****/
@@ -125,5 +144,13 @@
 	// Update the pizza and upgrade each frame
 	pizza.update();
 	upgrade.update();
 });
+// Create and position the new mega upgrade button
+var megaUpgradeButton = game.addChild(new MegaUpgradeButton());
+megaUpgradeButton.x = upgrade.x;
+megaUpgradeButton.y = upgradeButton.y + upgradeButton.height + 20;
+// Event listener for clicking the new mega upgrade button
+megaUpgradeButton.on('down', function (obj) {
+	megaUpgradeButton.onClick();
+});
 // No need for additional game logic as the game is simple: click the pizza to earn money
\ No newline at end of file