An open source game about learning Git! 
You do need to have GIT installed.
Homepage:
https://ohmygit.org/
Download:
https://blinry.itch.io/oh-my-git
or .......... I stripped down the binaries and it will run directly from the extracted folder (Approx 13mb)
https://www.mediafire.com/file/bteuurbd ... ar.xz/file