A mysterious pathogen is wreaking havoc on LV-895 and not even Xenomorphs are safe from its ravages. The crew of the Endeavor must venture into uncharted lands and face terrifying new enemies if they hope to discover the source of this mysterious new threat. Join your fellow marines in an all-new campaign that takes you into the heart of the Pathogen hive. Armed with new weapons and perks, it's up to you to stop the Pathogen from taking over.