Alien Arena is a fast, free FPS deathmatch game.

Battlefield is a series of first-person shooter video games that started out on Microsoft Windows and OS X.

Counter-Strike is a series of multiplayer first-person shooter video games, in which teams of terrorists and counter-terrorists battle to, respectively, perpe…

Nexuiz is a multiplayer first-person shooter. It is distributed under the GNU General Public License (GPLv2).

Cube 2: Sauerbraten ("sour roast", or Sauer) is a cross-platform, Quake-like first-person shooter that runs on Microsoft Windows, Linux, FreeBSD and Mac OS X …

TrueCombat: Elite & CQB is a tactical-teamplay oriented, modern-world combat simulation game.

AssaultCube (ActionCube) is a free and open source software first-person shooter video game.

Call of Duty is a first-person shooter video game franchise. The series began on Microsoft Windows, and later expanded to consoles and handhelds.

Dead Space is a series of horror games.

OpenArena is a free and open-source video game, it is first-person shooter (FPS) and a video game clone of Quake III Arena.

Tremulous is a free and open source team-based first-person shooter with real-time strategy elements.

Urban Terror is a freeware multiplayer first-person shooter video game.