The Callisto Protocol™

The Callisto Protocol™

Striking Distance Studios · 2022 · Horror, Sci-fi, Survival Horror, Third-Person Shooter, Space

PC
Mixed66% · 34,935123playing now
Best price 84 Great time to buy
$3.15-95%
$68.76lowest tracked $2.85
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Steam
Steam
Standard Edition · Steam
-85%
$8.99
$59.99
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Humble Store
Standard Edition · Steam
$59.99
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Epic Game Store
Epic Game Store
Standard Edition · Epic Games
$59.99
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Keycense
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Standard Edition · Steam
-95%
$3.15
$68.76
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Gameseal
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Standard Edition · Steam
$4.01
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GAMIVO
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Standard Edition · Steam
$7.34
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Trailers & screenshots

About The Callisto Protocol™

✦ AI summary

Battle grotesque mutant creatures and uncover corporate conspiracies in this sci-fi survival horror set in a brutal Jupiter moon prison where inmates transform into bloodthirsty monsters. Blend visceral close-quarters combat with strategic gunplay and a gravity weapon while scavenging for upgrades to survive escalating horrors and escape Black Iron Prison's deadly secrets.

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

DLC & expansions

🎁 Complete the collection

Base game + 5 of 8 DLC at today's best prices (some DLC unpriced).

$73.10
to own everything

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Jul 17, 2026
I originally played this on my Xbox Series X when it first released. I got this on sale with the DLC on Steam and really enjoy this game. If you like games where you play in a haunting planet and spaceship you will enjoy this game. This game is very similar to the Dead Space games, System Shock and other space games. I would highly recommend and ignore the negative reviews. I would also recommend the Final Transmission DLC as it adds to the main story-line.
Not recommended Jul 17, 2026
The graphics are nice, some of the mocap expressions are a little weird. The combat is okay but it does get a little repetitive after awhile. The story so far is serviceable but I don't think I'll finish it. What really turned me off is I'm just tired of crawling through vents and squeezing through sections of pipe. Here and there is one thing but I feel like 80% of the last hour I played was crawling through damn vents. It's like having to slog through a filler episode of a TV show, just to drag out the story.
Recommended Jul 16, 2026
За полную стоимость, конечно, я бы эту игру не брал. Но за 5 баксов, за которые я её купил, — вполне играбельно. Сюжет, конечно, ужасный. В плане оптимизации у меня вообще никаких проблем не было. Только в некоторых моментах баговались коробки, но лок на 120 FPS исправил эту проблему. В итоге пробежал игру за пару вечеров.
Recommended Jul 16, 2026
Callisto Protocol is not a bad game, but it's not a hit either. After a while, it becomes predictable and repetitive if you've played the Dead Space trilogy. It borrows heavily from the latter; in fact, the story is almost identical. On the other hand, it abuses the jump scare factor excessively, making it more a game of suspense than genuine horror. The atmosphere is good and the graphics do their job, but it fails to maintain immersion due to how predictable it becomes.
Recommended Jul 15, 2026
A solid sci-fi horror, especially if you love Dead Space. If you are a fan of Dead Space, you will feel right at home with The Callisto Protocol. It heavily resembles it in almost every way—from the claustrophobic atmosphere and camera angles to the UI on the back of the character's neck. Because of this resemblance, the game is actually really good. The graphics are absolutely stunning, the sound design is incredibly creepy, and the gore is top-tier. However, it's not perfect. It doesn't quite reach the masterpiece status of the original Dead Space trilogy, and the combat can feel a bit repetitive at times. It’s not the absolute best horror game out there, but it is still a very solid and enjoyable ride. Pros: Jaw-dropping visuals, great atmospheric tension, classic sci-fi survival horror vibes. Cons: Combat can feel clunky, lacks original ideas to completely stand out. 8/10 — Definitely worth playing, especially on a good sale!
Recommended Jul 15, 2026
The Callisto Protocol deserves far more appreciation. It gave me the same unforgettable feeling I had when playing Dead Space for the first time. Dark, brutal, immersive, and atmospheric it's a modern horror experience I'll never forget.

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