The Callisto Protocol is a third-person action horror game developed by Striking Distance. Take a look at the latest trailer that highlights all of the statistics from players who dared to enter the halls of Black Iron. From how many players killed a specific enemy to what weapon they wielded, the enemies of Black Iron were certainly dealt with in one way or another. The Callisto Protocol is available now for PlayStation 4, PlayStation 5, Xbox One, Xbox Series S|X, and PC.