A strategy game with a high fantasy theme
Enigma is a puzzle game
INSTEAD - Simple Text Adventure Interpreter.
2D Open Source MMORPG
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Pioneer, a space adventure game in the 31st Century Milky Way galaxy
Oblige is a random level generator for classic FPS games
3D-Accelerated open-source DOOM engine
EDGE is an advanced DOOM source port
Provides a full suite of clients and servers for virtual worlds.
Turn based Civ-like strategy game
action/combat flight sim