EA's sci-fi themed survival horror series returns with a new emphasis on online co-op action and weapon crafting as players once again take control of Isaac Clarke as he battles mutant Necromorphs and struggles to maintain sanity and in Dead Space 3. Much of the action takes place on the frozen planet Tau Volantis as Clarke and newcomer John Carver attempt to find the source of the Necromorph infestation and track down their missing friend Ellie Langford. Gamers can take on the main campaign alone, but the co-op storyline reveals more intricate details of the plot. Dead Space 3 presents a variety of new challenges, including the unforgiving elements of Tau Volantis, massive foes, and a new human adversary in the form of Unitologist soldiers. Other new features include the ability to roll and take cover, and a weapon-crafting system that finds gamers collecting and combining parts to create thousands of different custom firearms. As always, players can access holographic menus to check their health and supplies, and the key to combat is once again to strategically dismember mutants before they get too close.