fna : FNA is open source XNA4 ( http://fna-xna.github.io/ )
monogame : MonoGame ( http://www.monogame.net )
urho3d : Urho3D game engine ( http://urho3d.github.io/ )
urho3d-web : Urho3D game engine emscripten build ( http://urho3d.github.io/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a oiledmachine
For Paludis use this rsync : rsync://gentoo.zugaina.org/oiledmachine-portage
If you have a problem : ycarus(-at-)zugaina.org