The Callisto Protocol is a sci-fi survival horror game developed by Striking Distance. Take a look at the latest trailer breaking down what's in store for players with the Digital Deluxe Edition version of the game. The Callisto Protocol Digital Deluxe Edition is fitted with four DLCs, Contagion Mode, Riot Mode, gameplay updates, and cosmetic collections to access. The Callisto Protocol Digital Deluxe Edition is available now for PlayStation 4, PlayStation 5, Xbox One, Xbox Series S|X, and PC.