Please use turbo mode (Ctrl+Shift+Click on green flag) All you need to do is press space when the line moving across the screen is perfectly at the top of the stack.
Music: "Super Power Cool Dude" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ Images: https://openclipart.org/detail/60247/pile-of-books This game was inspired by the mobile game STACK.
