Quake - Quake is a series of first-person shooter video games released by id Software.
Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Overwatch - Stylized team-based FPS
Battlefield - The latest news and updates for all things Battlefield, the EA and DICE video game franchise.
Arma - Experience true combat gameplay in a massive military sandbox.