openlara : Classic Tomb Raider open-source engine ( xproger.info/projects/openlara/ )
opentomb : An open-source Tomb Raider 1-5 engine remake ( http://opentomb.github.io/ )
reflection-hle : Ports of Keen Dreams, the 3D Catacomb games and Wolfenstein 3D ( https://github.com/ReflectionHLE/ReflectionHLE )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gogooverlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/gogooverlay-portage
If you have a problem : ycarus(-at-)zugaina.org