Rock, Paper, Scissors is a hand game.
2D Open Source MMORPG
Full featured MUD server with all the trimmings.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Snakes of Apocalypse is a funny multiplayer game
Pioneers - The Settlers of Catan
3D space trading and combat game
Carcassonne clone written in python using pygame
Ur-Quan Masters High Definition
Falling blocks puzzle game
Fun platformer game
A funny game for a good company similar to karaoke
Software to help people run and organize tournaments.