Dying Light - Dying Light is an Action-Adventure, First-person Perspective, Horror-Survival, Zombie, Co-op, Role-playing, Single and Multiplayer video game created by Techland and published by Warner Bros.

Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.

7 Days to Die - 7 Days to Die is a post-apocalyptic survival game, during which players must craft shelters and horde resources in order to survive waves of undead enemies. Read more about 7 Days to Die.

Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.

DayZ - DayZ is an open world multiplayer survival game that tosses you in the midst of a zombie apocalypse.

Quake - Quake is a series of first-person shooter video games released by id Software.