Fight for your life against grotesque creatures in The Callisto Protocol [Day One Edition] for the Playstation 4. As Jacob Lee, an inmate at Black Iron Prison on Jupiter's dead moon, you are thrust into a terrifying outbreak that transforms prisoners and guards into monstrous Biophage. This narrative-driven third-person survival horror emphasizes brutal melee and ranged combat, resource management, and atmospheric exploration. The Day One Edition includes the full, intense sci-fi horror game along with bonus in-game cosmetic content, offering an enhanced start to your desperate struggle for survival.