The Callisto Protocol - Final Transmission

One Last Mission in a Haunting Prison

The Callisto Protocol - Final Transmission invites players back to the grim and oppressive environment of Black Iron Prison for an intense new chapter. This downloadable content expands upon the chilling narrative of the base game, sending you on a final mission to battle the biophage virus threatening to escape the confines of this horrific facility. The clock is ticking as you must retrieve Dr. Mahler’s crucial data and transmit it off-world.

Explore New Depths of Horror

In "Final Transmission," the atmosphere becomes even darker as the ruins of Black Iron Prison teem with biophage horrors. Players will delve deeper into the consequences of Mahler’s research, revealing the sinister implications of his experiments. With every encounter, the tension heightens, pushing you to confront terrifying enemies that lie in wait within the prison's shadowy corridors.