Borderlands - Borderlands is a science fiction first-person shooter with RPG elements made with cel-shaded...
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Brink - Brink is an Action, FPS (First-person Shooter), Single and Multiplayer video game developed by Splash Damage and published by Bethesda Softworks.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Urban Terror - Urban Terror started as a realism based "total conversion" mod for Quake III Arena.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.