Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
F.E.A.R. - F.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Doom - Doom is a science fiction horror-themed first-person shooter video game in which players assume the...
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Turok - Turok is an Action-Adventure, FPS, Survival, Single and Multiplayer video game developed by Propaganda Games published by Disney Interactive Studios.