In this narrative-driven, third-person survival horror game set 300 years in the future, the player will take on the role of Jacob Lee – a victim of fate thrown into Black Iron Prison, a maximum security penitentiary located on Jupiter’s moon, Callisto. When inmates begin to transform into monstrous creatures, the prison is thrown into chaos. To survive, Jacob must battle his way to safety to escape Black Iron Prison, while uncovering the dark and disturbing secrets buried beneath the surface of Callisto. Using a unique blend of shooting and close-quarters combat, Jacob will need to adapt his tactics to combat the rapidly evolving creatures while scavenging to unlock new weapons, gear, and abilities to outrun the growing threat and escape the horrors of Jupiter’s Dead Moon.

• Horror engineering: Take on survival horror from the mind of Glen Schofield. Blending atmosphere, tension, and brutality with terrifying moments of helplessness and humanity, players are immersed in a story where unspeakable horrors lurk around every corner
• Uncover the secrets of the United Jupiter Company: Play the role of Jacob Lee, an inmate in Black Iron Prison who faces his darkest fears to defeat the bloodthirsty creatures that stalk him as he unravels the dark mysteries at the heart of the powerful United Jupiter Company
• Master brutal, strategic combat: Challenges players to master a thrilling blend of hand-to-hand and ranged combat, including a unique gravity weapon once used by Black Iron guards to control the prison population
• Experience the isolation of Jupiter's Dead Moon: Callisto looms large over Jacob’s desperate struggle to survive. Players must not only contend with the horrors of Black Iron Prison, but also the centuries-old secrets that plague Jupiter’s long-dead moon, both above and below the surface
• Day One Edition Includes: The Callisto Protocol, Retro Prisoner Character & Weapon Skins
• Best Buy exclusive: Preorder and receive Biophage Skins:  Callisto has been thrown into chaos as prisoners at Black Iron Prison mutate into bloodthirsty Biophage. This exclusive skin wraps Jacob in the terrifying organic growth of the biophage virus as it attempts to infiltrate and ravage Jacob’s body
• Horror engineering: Take on survival horror from the mind of Glen Schofield. Blending atmosphere, tension, and brutality with terrifying moments of helplessness and humanity, players are immersed in a story where unspeakable horrors lurk around every corner
• Uncover the secrets of the United Jupiter Company: Play the role of Jacob Lee, an inmate in Black Iron Prison who faces his darkest fears to defeat the bloodthirsty creatures that stalk him as he unravels the dark mysteries at the heart of the powerful United Jupiter Company
• Master brutal, strategic combat: Challenges players to master a thrilling blend of hand-to-hand and ranged combat, including a unique gravity weapon once used by Black Iron guards to control the prison population
• Experience the isolation of Jupiter's Dead Moon: Callisto looms large over Jacob’s desperate struggle to survive. Players must not only contend with the horrors of Black Iron Prison, but also the centuries-old secrets that plague Jupiter’s long-dead moon, both above and below the surface
• Day One Edition Includes: The Callisto Protocol, Retro Prisoner Character & Weapon Skins
• Best Buy exclusive: Preorder and receive Biophage Skins:  Callisto has been thrown into chaos as prisoners at Black Iron Prison mutate into bloodthirsty Biophage. This exclusive skin wraps Jacob in the terrifying organic growth of the biophage virus as it attempts to infiltrate and ravage Jacob’s body