A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
OpenGL port of the classic 6dof 3D shooter Descent
Space shooter style game arcade version - Games/Entertainment Software
DOOM / Heretic / Hexen source port with enhanced graphics and UI
3D-Accelerated open-source DOOM engine
Bot for id Software's Wolfenstein 3D
Mac OS X clone of Dehacked and Whacked2
glBSP is a DOOM nodes builder
A simple moon settings with vehicle versus rockets.