The Callisto Protocol is a story-driven third-person survival horror game set 300 years in the future. You are Jacob Lee, thrown by a whim of fate into the high-security Black Iron prison on Jupiter's moon Callisto. The prison descends into chaos when the inmates begin to transform into monstrous creatures. To survive, Jacob must fight his way to safety and escape the Black Iron prison while uncovering dark and shocking secrets beneath Callisto's surface. Using a unique blend of shooting and melee combat, Jacob must adapt his tactics to combat rapidly evolving creatures and scout locations to unlock new weapons, gear, and abilities to help him escape the growing threat and horrors of Jupiter's dead moon.