Install grub-invaders by entering the following commands in the terminal:
sudo apt update sudo apt install grub-invaders
Description:
multiboot compliant kernel game
GRUB Invaders is a game that runs directly on a computer, without an operating system. It is meant to be started with the GRUB bootloader for PCs.
Homepage: http://www.erikyyy.de/invaders/
Version: 1.0.0-13
Section: universe/misc