These ebuilds come from http://svn.digital-trauma.de/gentoo/.
If you have some problems, go to the official site first.
ut2004-shattered-oasis : ( http://www.shatteredoasis.com/ )
worldofpadman : A fun free shooter in liliput style with crazy weapons, colourful player models, and new game types ( http://www.worldofpadman.com/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a trauma
For Paludis use this rsync : rsync://gentoo.zugaina.org/trauma-portage
If you have a problem : ycarus(-at-)zugaina.org