The Callisto Protocol - Final Transmission DLC AR XBOX One / Xbox Series X|S CD Key - discussion

The biophage virus threatens to spread beyond the walls of Black Iron Prison. Fight through the derelict penitentiary in a last-ditch attempt to retrieve Mahler's data, get it off Callisto and redeem yourself. Features ONE LAST JOB Black Iron Prison is in ruins and crawling with biophage. But your work on Callisto isn't finished yet. Survive the horrors lurking in the shadows long enough to retrieve Dr. Mahler's research and transmit it off-world. Discover the harrowing depths of Mahler's exp
more information