Sony Online Entertainment's H1Z1 zombie MMO sure reminds me of something else.
This pre-alpha footage shows a zombie apocalypse survivor using his wits and a gun to survive zombies and other survivors. There are knives, there are bullets, there are none-too-smart zombies. And there's a wee bit of backstabbing - well, face slashing, really.
H1Z1 is a PC and PS4 game. It differs from DayZ in that it's focused more on building your own tows and settlements - bases - and defending them.