An Open Source DOS emulator to run old DOS games
A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
A MUD client for Android, iOS, Linux, Mac OS X and Windows
INSTEAD - Simple Text Adventure Interpreter.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Cross-platform real-time strategy game (3D)
General Purpose Engine for Graphic Adventures.
3D Multiplayer Hover Soccer
NES/Famicom emulator based on FCE Ultra.
OpenGL port of the classic 6dof 3D shooter Descent
DOOM / Heretic / Hexen source port with enhanced graphics and UI
A nice GUI client for Imperium
Ubuntu-based Linux Gaming OS
Free MMORPG