Quake - Quake is a series of first-person shooter video games released by id Software.

PlanetSide - PlanetSide is a playable, Action-Adventure, Free-to-play, Massively Multiplayer Online (MMO), First-person Shooter (FPS), Open Environment, Tactical, Military themed, and Combat video game designed by a famous developer and publisher named Sony Onli…

Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.

Combat Arms: Reloaded - Combat Arms: Reloaded is an Amazing, Tactical, Free-to-play, Online, Co-op, First-person Shooter (FPS), Military-themed, Open World, and Multiplayer video game developed by Nexon and published by Lithtech Jupiter.

Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.

Wolf Team - Wolf Team is the excellent game for those players who love playing FPS games.