Browse free open source First Person Shooters and projects for Mac below. Use the toggles on the left to filter open source First Person Shooters by OS, license, language, programming language, and project status.
A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
Odamex is a free, cross-platform, modern client-server Doom engine
Classic America's Army
DOOM / Heretic / Hexen source port with enhanced graphics and UI
Free and open source FPS based on Quake III Arena
AssaultCube is a FREE, multiplayer, first-person shooter game.
OpenGL port of the classic 6dof 3D shooter Descent
A fun realistic multiplayer free-and-open-source first-person-shooter!
3D-Accelerated open-source DOOM engine
Open source FPS/RTS Game
PAK file editor for Quake engine games