Arma 2: Operation Arrowhead
Sniper Elite V2
S.T.A.L.K.E.R.: Shadow of Chernobyl
Arma II
Quake Live
Duke Nukem 3D
Sword With Sauce: Alpha
Insurgency
Counter-Strike
Call of Duty
Unreal Tournament
Xonotic
Battlefield
AssaultCube
Quake
Doom
Arma 2: Operation Arrowhead Counter-StrikeSniper Elite V2 - Sniper Elite V2 is a Fantastic, Action-Adventure, Stealth, Co-op, WWII, First and Third-person Shooter, Tactical, Single and Multiplayer video game created and published by Rebellion.
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
S.T.A.L.K.E.R.: Shadow of Chernobyl - S.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Arma II - Arma II is an Awesome, Action-Adventure, Military-themed, FPS (First-person Shooter), Tactical, Co-op, Strategy, Single and Multiplayer Simulation developed and published by Bohemia Interactive.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.