fs2_open : Opensourced engine from Freespace 2 ( http://scp.indiegames.us/ )
openmw : An open source reimplementation of TES III: Morrowind ( http://openmw.org/ )
openxcom : An open-source reimplementation of the popular UFO: Enemy Unknown ( http://openxcom.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a eroen
For Paludis use this rsync : rsync://gentoo.zugaina.org/eroen-portage
If you have a problem : ycarus(-at-)zugaina.org