Fortnite - Fortnite developed and published by Epic Games.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Fortnite Battle Royale - Fortnite Battle Royale is 2017, Free to Play, Battle Royale video game developed and published by Epic Games.
Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
surviv.io - Browser-based 2D Battle Royale game
Quake - Quake is a series of first-person shooter video games released by id Software.