/**** 
* Classes
****/ 
// Class for the back button
var BackButton = Container.expand(function () {
	var self = Container.call(this);
	// Create a back button
	var backButton = self.attachAsset('backButton', {
		anchorX: 0.0,
		anchorY: 0.0,
		x: 0,
		y: 0
	});
	backButton.down = function (x, y, obj) {
		// Hide the shop menu and the back button, and show the bitcoin and the shop button when the back button is pressed
		shopMenu.visible = false;
		bitcoin.visible = true;
		shopButton.visible = true;
		backButton.visible = false;
	};
});
// Class for the shop menu
var ShopMenu = Container.expand(function () {
	var self = Container.call(this);
	// Create a back button
	var backButton = self.attachAsset('shopButton', {
		anchorX: 0.0,
		anchorY: 0.0,
		x: 0,
		y: 0
	});
	backButton.down = function (x, y, obj) {
		// Hide the shop menu and show the bitcoin when the back button is pressed
		self.visible = false;
		bitcoin.visible = true;
	};
	// Create a buy button
	var buyButton = self.attachAsset('shopButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2
	});
	buyButton.down = function (x, y, obj) {
		// Check if the player has enough money to buy the upgrade
		if (LK.getScore() >= 500) {
			// Deduct the cost of the upgrade from the player's score
			LK.setScore(LK.getScore() - 500);
			// Increase the score per click by 1 when the buy button is pressed
			scorePerClick += 1;
		} else {
			// If the player doesn't have enough money, show a message
			console.log("You don't have enough money to buy this upgrade!");
		}
	};
});

/**** 
* Initialize Game
****/ 
// Class for the mine layer
// Global variables
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Create a bitcoin in the center of the game
var bitcoin = LK.getAsset('bitcoin', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(bitcoin);
// Create a score counter at the top of the screen
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create a shop button in the top right corner of the game
var shopButton = LK.getAsset('shopButton', {
	anchorX: 1,
	anchorY: 0,
	x: 2048,
	y: 0
});
game.addChild(shopButton);
// Create a new instance of the shop menu
var shopMenu = game.addChild(new ShopMenu());
// Hide the shop menu initially
shopMenu.visible = false;
// Create a new instance of the back button
var backButton = game.addChild(new BackButton());
// Hide the back button initially
backButton.visible = false;
shopButton.down = function (x, y, obj) {
	// Hide the bitcoin and the shop button and show the shop menu and the back button when the shop button is pressed
	bitcoin.visible = false;
	shopButton.visible = false;
	shopMenu.visible = true;
	backButton.visible = true;
};
// Create a new variable for the score per click
var scorePerClick = 1;
bitcoin.down = function (x, y, obj) {
	// Increase the score by the score per click
	LK.setScore(LK.getScore() + scorePerClick);
	scoreTxt.setText(LK.getScore());
	// Temporarily shrink bitcoin on press
	bitcoin.scaleX = 0.8;
	bitcoin.scaleY = 0.8;
	// After 100ms, expand the bitcoin back to its original size
	LK.setTimeout(function () {
		bitcoin.scaleX = 1.2;
		bitcoin.scaleY = 1.2;
		// After another 100ms, revert the bitcoin back to its normal size
		LK.setTimeout(function () {
			bitcoin.scaleX = 1;
			bitcoin.scaleY = 1;
		}, 100);
	}, 100);
	// Add a visual effect to the bitcoin when clicked
	var effect = LK.getAsset('1', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: bitcoin.x,
		y: bitcoin.y
	});
	game.addChild(effect);
	// Remove the effect after 200ms
	LK.setTimeout(function () {
		game.removeChild(effect);
	}, 200);
};

===================================================================
--- original.js
+++ change.js
@@ -11,11 +11,13 @@
 		x: 0,
 		y: 0
 	});
 	backButton.down = function (x, y, obj) {
-		// Hide the shop menu and show the bitcoin when the back button is pressed
+		// Hide the shop menu and the back button, and show the bitcoin and the shop button when the back button is pressed
 		shopMenu.visible = false;
 		bitcoin.visible = true;
+		shopButton.visible = true;
+		backButton.visible = false;
 	};
 });
 // Class for the shop menu
 var ShopMenu = Container.expand(function () {