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.
Free and open source FPS based on Quake III Arena
DOOM / Heretic / Hexen source port with enhanced graphics and UI
Odamex is a free, cross-platform, modern client-server Doom engine
3D-Accelerated open-source DOOM engine
A QuakeWorld package containing everything needed to play QW right now
PAK file editor for Quake engine games