stuntrally : Rally game focused on closed rally tracks with possible stunt elements. ( http://stuntrally.tuxfamily.org/ )
stuntrally-tracks : A set of tracks for ${CATEGORY}/${P//-tracks} ( http://stuntrally.tuxfamily.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gamerlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/gamerlay-portage
If you have a problem : ycarus(-at-)zugaina.org