There’s a Github project with a UEFI maze game on it, called Firmware-Maze: https://github.com/liute62/Firmware-Maze Appears to be mostly a single-file game: https://github.com/liute62/Firmware-Maze/blob/master/src/final3.c I’ve not built it yet, I’ll try that later, I still have to read CodeRush’s latest UEFI SecureBoot tutorial… Some other UEFI games: dEFIant: new UEFI game engine