hotline-miami-bin : Top-down action game, a bit like GTA 1 without cars ( http://hotlinemiami.com/ )
supertuxkart-speedhack : A kart racing game starring Tux, the linux penguin (TuxKart fork) ( http://supertuxkart.sourceforge.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a betagarden
For Paludis use this rsync : rsync://gentoo.zugaina.org/betagarden-portage
If you have a problem : ycarus(-at-)zugaina.org