Team up and take down the terror together - Play the full campaign in online co-op or single player through easy drop-in and drop-out playHead planet side and experience a hostile new environment - Discover underworld cities and accept side missions. Explore the frozen terrain and search abandoned encampmentsUncover the past and embark on a thrilling expedition to save mankind - Discover the source of the Necromorph terror and fight to fend off the extinction of the human race