Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Doom - Doom is a science fiction horror-themed first-person shooter video game in which players assume the...
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
System Shock - System Shock developed by Night Dive Studios.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Half-Life 2 - Half-Life 2 is a science fiction first-person shooter video game developed and published by Valve...