Counter-Strike
Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation. It is a complete remake of Counter-Strike using the Source game engine.
Übergame is a free open source, realism like, multi-purpose, multiplayer, casual, first-person-shooter game.
A truly free and open source multiplayer shooter, no strings attached. Have casual deathmatch matches on various scenarios. Build your own levels with the ingame editor and assets that come with the game, or just play around and use it as a sandbox.
games open-source-projects multiplayer shooter-game first-person-shooter
Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation. It is a complete remake of Counter-Strike using the Source game engine.
Commercial Mac OS X Windows Linux
Unreal is a series of first-person shooter video games developed by Epic Games.
Free Open Source Mac OS X Windows Linux Mac
Cube 2: Sauerbraten is a free multiplayer/singleplayer first person shooter, built as a major redesign of the Cube FPS.
Free Open Source Mac OS X Windows Linux BSD
Red Eclipse is a fun-filled new take on the first person arena shooter, built as a total conversion of Cube Engine 2, which lends itself toward a balanced gameplay, with a general theme of agility in a variety of environments.
Free Open Source Mac OS X Windows Linux BSD
AssaultCube is a FREE, multiplayer, first-person shooter game, based on the CUBE engine. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun! .
Free Open Source Mac OS X Windows Linux
Urban Terror started as a realism based "total conversion" mod for Quake III Arena.
Free Mac OS X Windows Linux
TrueCombat: Elite is a FREE modification for the Enemy Territory game (also free). It is a realistic modern day FPS featuring state of the art models and textures.
Free Mac OS X Windows Linux
alien arena is a free and opensource first-person shooter game that combines a 1950s-era sci-fi atmosphere with gameplay similar to quake , https://alternativein .
Free Open Source Mac OS X Windows Linux BSD
Digital Paint: Paintball 2 is a Paintball game that started out as a mod for quake 2 but then took on a life of its own as an open source fps game with a global player and clan management system.
Free Open Source Windows Linux
Welcome to the world of Combat Arms, a free online first-person shooter. Combat Arms has a huge library of modes, maps and weapons that will entertain players of all skill levels from new players to guilds of veterans.
Free Windows
LawBreakers is upcoming class-based first person shooter game. Developed by Boss Key Inc.
Commercial Windows Playstation Xbox