Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
AssaultCube - AssaultCube is a FREE multiplayer first-person shooter game. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun!
Battlefield - The latest news and updates for all things Battlefield, the EA and DICE video game franchise.
Team Fortress 2 - Team Fortress 2 (TF2) is the sequel to the game that put class-based, multiplayer team warfare on...