S.T.A.L.K.E.R. - S.
DayZ - DayZ is an open world multiplayer survival game that tosses you in the midst of a zombie apocalypse.
F.E.A.R. - F.
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.
Resistance 3 - Resistance 3 is an Action-Adventure, Survival, First-person Shooter, Single and Multiplayer video game developed by Insomniac Games and published by Sony Computer Entertainment.
Project Zomboid - The Ultimate Zombie Survival RPG.