Obsession: Erythros

Sandbox with survival elements and an open world action game

Obsession: Erythros (Previously Unturunted) is a DayZ/Stalker/Tarkov-like sandbox zombie-themed indie game with horror survival elements and an open world developed by Vladyslav Pavliv.

In it you will have to fight for your survival fighting off crowds of zombies and hostile factions alone or with your friends in multiplayer mode.