atris : Alizarin Tetris is a Tetris-like game with multi-player support, user-extensible color, shape and sound styles, and TCP/IP networking. ( http://www.cs.virginia.edu/~weimer/atris/ )
netwalk : An SDL NetWalk clone ( http://code.google.com/p/netwalk/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a stormfront
For Paludis use this rsync : rsync://gentoo.zugaina.org/stormfront-portage
If you have a problem : ycarus(-at-)zugaina.org