The Callisto Protocol

About

About the Game 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.

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5
Based on
20049 reviews
Country Compatibility:
Languages:
Developer:
Striking Distance Studios
Publisher:
Skybound Games
Engine:
Unreal Engine 4
Release date:
01 December 2022
Recent Steam reviews:
Not specified
All Steam reviews:
Mixed (20049)

Game features

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Description

About the Game

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

The Callisto Protocol is a next-generation take on survival horror from the mind of Glen Schofield. Blending atmosphere, tension, and brutality with terrifying moments of helplessness and humanity, The Callisto Protocol immerses players in a pulse-pounding story where unspeakable horrors lurk around every corner.

UNCOVER THE SECRETS OF THE UNITED JUPITER COMPANY

Set on Jupiter’s dead moon Callisto in the year 2320, The Callisto Protocol casts players as Jacob Lee, an inmate in Black Iron Prison. When a mysterious outbreak throws the moon into chaos, Jacob must face 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

The Callisto Protocol 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. Players will be forced to get up close and personal with their grotesque opponents, hacking off limbs, blasting off legs, and getting creative with whatever is at their disposal to survive each life-or-death encounter.

EXPERIENCE THE ISOLATION OF JUPITER'S DEAD MOON

One of the most hostile, isolated environments in the universe, 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.

Also Includes: Gore Skin Collection

Recommended system requirements

minimum*

Requirement 1:
Requires a 64-bit processor and operating system
OS:
Windows 10/11
Processor:
Intel® Core™ i5-8400 or AMD Ryzen™ 5 2600
Memory:
8 GB RAM
Graphics:
NVIDIA® GeForce® GTX 1060 or AMD Radeon™ RX 580
DirectX:
Version 11
Storage:
75 GB available space

recommended*

Requirement 1:
Requires a 64-bit processor and operating system
OS:
Windows 10/11
Processor:
Intel® Core™ i7-8700 or AMD Ryzen™ 5 3600
Memory:
16 GB RAM
Graphics:
NVIDIA® GeForce® GTX 1070 or AMD Radeon™ RX 5700
DirectX:
Version 12
Storage:
75 GB available space
Additional Notes:
SSD recommended

User reviews

kapitan_henry
Not recommended | 10 Jul 2026
14.4h played

I really can't stand this game, even though I got it for Josh and Sam. If you want to play it, choose Minimum Security, or Dismemberment Mode (especially if you like Dead Space), or both. EDIT: I threw up. DO NOT BUY!

Helpful: 1
🍁JESIENIARA🍁
Not recommended | 14 Jul 2026
11.7h played

The mechanics in this game are extremely annoying. While the vision and the lore is kinda cool, the fights are a nightmare. Would not recommend purchasing for the full price. Just waitlist it and wait for a 30-50%

Helpful: 1
El pollo diablo
Not recommended | 06 Jul 2026
12.4h played

It wouldn't even be that bad if it weren't for the constant vent-crawling sections. When you're not slowly crawling through vents, you're squeezing through narrow passages, getting grabbed by snake-neck monsters,

Helpful: 1
Archon Erikr
Recommended | 14 Jul 2026
18.9h played

This game is a combination of Dead Space and Resident Evil made by someone who played those games but never stopped to think about them. It's a decent enough game, but it seems like the devs intentionally stopped short

Helpful: 0
±
Recommended | 08 Jul 2026
2.6h played

Story is OK at best. Gameplay. Initialy fun but then you understand this is how the rest off it will be as well. Repetitive. Get it on sale, like 90% off. It`s not that special.

Helpful: 0
NativeOne
Recommended | 12 Jul 2026
60.8h played

i finally picked this up on sale and played it and it's a good game .. it's a knock off fix until the game it copied actually comes out and i can finally get down to business .. Down side can't store or sell the weapons

Helpful: 1