A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
3rd Party Video Games Developer: MetalManGames, titles of games
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Open source FPS/RTS Game
Ms Dos port with slopes 3d floors true3d demo compatibility fast speed
OpenGL port of the classic 6dof 3D shooter Descent
DOOM / Heretic / Hexen source port with enhanced graphics and UI
A fun realistic multiplayer free-and-open-source first-person-shooter!
Freedoom, Heretic and Hexen
Quake C mods and support - SSQC / CSQC