Wave hell o
Naughty Dog does co-op survival
For the seven people in the world who don’t already own Uncharted 4, its 5v5 multiplayer is available to all who purchase this expand-alone.
A free update to the base game also adds a new co-op mode called Survival Arena, available to owners of either. It plays as it sounds: wave-based survival against increasingly tough foes in ever-greater numbers.