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Descent 3 is the third game in the line of Descent computer games, well known for the use of six degrees of freedom and true 3D rendering technology.

Dreamkiller is a FPS in the vein of Painkiller and NecroVisioN, with a plot remotely reminiscent of PsychoToxic (2005).
Psychologist Alice Drake has the unique ability to enter her patients' dreams and kick some nightmarish creatures' ass, be it using her tele- & pyrokinetic powers or any gun the troubled psyche can provide her with. Killing sprees cause Berserker Rage, during which Alice is superfast and enemies are easier to spot.

Universe at War: Earth Assault is a sci-fi real time strategy game for the PC

ARMA 2 (Armed Assault 2) is a realistic military simulation game

This is an arcade game.It was released first on the Xbox 360 Live arcade, then it got released in Wii, NDS, and the PC

he game has been categorized as a "cinematic action game," combining a mixture of hack and slash elements with context-sensitive commands.

DiRT 2 is an all-terrain arcade racing game. It adds GRID's flashback system to DiRT's gameplay and is also the first racing game to support DirectX 11.

Serious Sam is an FPS from Croteam and Gathering of Developers. You play as Sam "Serious" Stone, and do battle with thousands of alien nasties throughout various historical set-pieces, using an array of diverse and enormous weapons.