Hawken - Hawken is an Action, Free-to-play, FPS, Robots, Science-fiction, Tactical, Futuristic, MMO, Co-Op and Multiplayer video game created and published by Reloaded Games.
S.T.A.L.K.E.R.: Clear Sky - S.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Insurgency - Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.
Deus Ex: Invisible War - Deus Ex: Invisible War is an Action-Adventure, Role-playing, FPS (First-person Shooter), Science-Fiction, Stealth, Dystopian, Female Protagonist, and Single-player video game developed by Ion Storm and published by Square Enix.
Sniper 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.