System Shock - System Shock developed by Night Dive Studios.
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Killzone: Shadow Fall - Killzone: Shadow Fall is offering thrilling gameplay, in which you, as the protagonist, need to complete a variety of challenging missions.
Battlefield - The latest news and updates for all things Battlefield, the EA and DICE video game franchise.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Arma - Experience true combat gameplay in a massive military sandbox.