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
Star Wars style retro game for Linux
OpenGL port of the classic 6dof 3D shooter Descent
DOOM / Heretic / Hexen source port with enhanced graphics and UI
glBSP is a DOOM nodes builder