The unmistakable Southeast Asian foliage first made me think of Crysis, but it’s immediately obvious that we’re looking at something simulation-y, like Arma 3 and DayZ. There are no zombies on this fictional island nation, though: All we know is that it was evacuated after “a mysterious event.” You’re a private military contractor sent in to figure out what’s going on and, more importantly, recover neat stuff while fighting both NPCs and other players.
Source: N4G PC PC Gamer: Gray Zone Warfare an upcoming tactical FPS