Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
BioShock - Get the latest information on BioShock, BioShock 2, and BioShock Infinite
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Titanfall 2 - Titanfall 2 developed by Respawn Entertainment and published by Electronic Arts is an Action First-person Shooter, Single and Multiplayer video game for hardcore players.
Quake - Quake is a series of first-person shooter video games released by id Software.
Half-Life 2 - Half-Life 2 is a science fiction first-person shooter video game developed and published by Valve...