Arma 2: Operation Arrowhead - Arma 2: Operation Arrowhead is a Tactical, First-person Shooter, Single and Multiplayer video game created by Bohemia Interactive Studios and published by 505 Games.
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.
Bulletstorm - In this sci-fi first person shooter, players take on the role of mercenary Grayson Hunt in an attempt to get off a hostile alien planet and get a little bit of vengeance along the way.
S.T.A.L.K.E.R.: Shadow of Chernobyl - S.
Urban Terror - Urban Terror started as a realism based "total conversion" mod for Quake III Arena.