Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
Wolf Team - Wolf Team is the excellent game for those players who love playing FPS games.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Fallen Earth - Fallen Earth is an Entertaining, Free-to-play, Open World, Massively Multiplayer Online (MMO), First-person Shooter (FPS), Role-playing, Crafting and Combat video game created by Reloaded Production and published by K2 Network.
Rage - Rage Software, also Rage Games and FX Digital Network, was a British video game developer.
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.