SpaceCadetPinball : Decompilation of 3D Pinball for Windows - Space Cadet ( https://github.com/k4zmu2a/SpaceCadetPinball )
opensurge : fun 2D retro platformer inspired by old-school Sonic games ( https://opensurge2d.org/ )
shiromino : fast-paced puzzle game with roots in the arcade ( https://github.com/shiromino/shiromino )
taisei : Clone of the Touhou series, written in C using SDL/OpenGL/OpenAL. ( https://taisei-project.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a guru
For Paludis use this rsync : rsync://gentoo.zugaina.org/guru-portage
If you have a problem : ycarus(-at-)zugaina.org