The Drowning is a first-person shooter set in a post apocalyptic world where grotesque creatures that used to be human now roam, and your objective is it take out these monsters while gathering supplies. It's a rather played out premise, but in truth the iPad doesn't exactly have a long list of enjoyable shooters, so I can't really hold the tried-and-true story approach against it.
The action plays out in arena style throwdowns where you face off against a timer and a horde of mutated creatures who want nothing more than to kill you. You are often given the option to either attack or defend a specific area, and depending on which mode you choose you'll either be protecting barriers to keep the monsters out or running about the small e