Sword Factory GUI invalid code issue (Image via Roblox) Roblox codes may stop working for a variety of reasons. A common problem is that codes frequently include time limits and may have expired ...

Open "Ice Cream Shop Tycoon" on "Roblox." On the left of the screen, find the buttons. Press the second button on the top row that says Codes. Once a pop-up window appears, enter your code into the ...