According to Glen Schofield, Striking Distance viewed PUBG as 'a timeline of stories that are connected by themes of survival.' A timeline was plotted connecting PUBG to Meteor Down, later renamed 'The Callisto Protocol.' Despite the differences in timeframe, there would be Easter eggs referencing PUBG. The story of Meteor Down involved a cataclysmic meteor impact. Meteor Down was planned to be an entry in the universe of PlayerUnknown’s Battlegrounds. Schofield was wary of the similarities between Meteor Down and Dead Space, but nevertheless pitched it to companies like Google, Microsoft, and PlayStation. One of them is Meteor Down a science fiction survival game conceptualized by Glen Schofield. The Callisto Protocol takes inspiration from a number of sources. James C Mathis III - Warden Duncan Cole.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. 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.

When inmates begin to transform into monstrous creatures, the prison is thrown into chaos.

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. A blend of horror, action, and immersive storytelling, the game aims to set a new bar for horror in interactive entertainment.

The game challenges players to escape the maximum security Black Iron Prison and uncover its terrifying secrets. Set on Jupiter’s moon Callisto in the year 2320, The Callisto Protocol is a next-generation take on survival horror.

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