Compare The Callisto Protocol™ prices across trusted key stores and find the best deal. Developed by Striking Distance Studios. Published by KRAFTON, Inc.. Released on 12/1/2022. Available on PC. Genres: Action, Adventure.

Gorgeous sci-fi horror with real atmosphere and a brutal combat loop, hampered by clunky mechanics and a back half that runs out of ideas. Worth it cheap, not at full price.

My first hour in Black Iron Prison was legitimately uncomfortable, and I mean that as a compliment. The sound design alone, pipes clanking through the walls, wet squelching around every blind corner, does more atmospheric work than most horror games manage across an entire campaign. Striking Distance Studios clearly knew how to build dread, and in those early sections, when you are under-equipped, uncertain, and learning the dodge system, The Callisto Protocol has a pulse that feels genuinely threatening. The core loop puts you in the boots of Jacob Lee, a cargo pilot wrongly imprisoned on Jupiter's moon Callisto just as a grotesque mutation outbreak tears through Black Iron Prison. Your two main tools are a stun baton for up-close brawling and the GRP, a gravity gauntlet that lets you fling enemies into spike-lined walls, grinding machinery, or just across the room to buy yourself space. Ammo is scarce, credits for upgrading at Reforging Stations are scarcer, and you will not unlock everything in a single run. That tension works well for the first half. The problem is the second half. Enemy encounters stop being tense and start being slogs. Jacob moves and switches weapons with a slowness that felt atmospheric early on but becomes genuinely punishing when the game throws copycat boss fights and multi-enemy pile-ons that the camera, too close and too bloody, struggles to handle. The dodge system, tilt-left and tilt-right instead of a button press, divides players hard, and the weapon-swap animations that lock you out mid-combat are the kind of friction that tips frustration into anger on harder difficulty runs. On PC at launch, the game had a second, separate problem: stuttering so severe that even high-end hardware was dropping frames into the low twenties. Post-launch patches addressed much of this, and the now-expanded package including the Final Transmission DLC and Riot Mode is a meaningfully better product than what shipped in December 2022. The visuals have always been the easy highlight: realistic lighting, excellent character models, a prison environment that feels genuinely oppressive and alive. Play with headphones; this is a game that earns the advice. Where The Callisto Protocol struggles is originality and pacing. The Dead Space DNA is obvious and relentless, from the over-the-shoulder camera to the diegetic health display to stomping corpses for pickups. Critics who called it derivative were not wrong. There are no puzzles, no side quests, no branching paths. It is a corridor, and once the early scarcity stops making that corridor scary, what remains is repetitive combat dressed in very expensive-looking gore. The story is thin, the characters are functional rather than compelling, and at around ten hours the runtime stops feeling lean and starts feeling padded. If you are a survival horror completionist who wants every entry in the genre catalogued, or a Dead Space veteran curious whether Glen Schofield had one more trick up his sleeve, there is enough here to hold attention at the right price. Go in expecting Dead Space 4 in everything but name, acknowledge the rough PC performance history, and dial expectations for genuine scares down a notch. The atmosphere earns it a look. The back half earns the mixed reviews. Alex, Scout Team

The Callisto Protocol™

The Callisto Protocol™

Dec 1, 2022Striking Distance StudiosKRAFTON, Inc.
GamerScout Says

Gorgeous sci-fi horror with real atmosphere and a brutal combat loop, hampered by clunky mechanics and a back half that runs out of ideas. Worth it cheap, not at full price.

PC
Steam Deck VerifiedProtonDB Platinum
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Historical low: €5.92

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Price History

Historical low
€5.9228 Jun 2026
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€5.79€6.24€6.68€7.135 Jun12 Jun19 Jun25 Jun2 Jul
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About The Callisto Protocol™

My first hour in Black Iron Prison was legitimately uncomfortable, and I mean that as a compliment. The sound design alone, pipes clanking through the walls, wet squelching around every blind corner, does more atmospheric work than most horror games manage across an entire campaign. Striking Distance Studios clearly knew how to build dread, and in those early sections, when you are under-equipped, uncertain, and learning the dodge system, The Callisto Protocol has a pulse that feels genuinely threatening. The core loop puts you in the boots of Jacob Lee, a cargo pilot wrongly imprisoned on Jupiter's moon Callisto just as a grotesque mutation outbreak tears through Black Iron Prison. Your two main tools are a stun baton for up-close brawling and the GRP, a gravity gauntlet that lets you fling enemies into spike-lined walls, grinding machinery, or just across the room to buy yourself space. Ammo is scarce, credits for upgrading at Reforging Stations are scarcer, and you will not unlock everything in a single run. That tension works well for the first half. The problem is the second half. Enemy encounters stop being tense and start being slogs. Jacob moves and switches weapons with a slowness that felt atmospheric early on but becomes genuinely punishing when the game throws copycat boss fights and multi-enemy pile-ons that the camera, too close and too bloody, struggles to handle. The dodge system, tilt-left and tilt-right instead of a button press, divides players hard, and the weapon-swap animations that lock you out mid-combat are the kind of friction that tips frustration into anger on harder difficulty runs. On PC at launch, the game had a second, separate problem: stuttering so severe that even high-end hardware was dropping frames into the low twenties. Post-launch patches addressed much of this, and the now-expanded package including the Final Transmission DLC and Riot Mode is a meaningfully better product than what shipped in December 2022. The visuals have always been the easy highlight: realistic lighting, excellent character models, a prison environment that feels genuinely oppressive and alive. Play with headphones; this is a game that earns the advice. Where The Callisto Protocol struggles is originality and pacing. The Dead Space DNA is obvious and relentless, from the over-the-shoulder camera to the diegetic health display to stomping corpses for pickups. Critics who called it derivative were not wrong. There are no puzzles, no side quests, no branching paths. It is a corridor, and once the early scarcity stops making that corridor scary, what remains is repetitive combat dressed in very expensive-looking gore. The story is thin, the characters are functional rather than compelling, and at around ten hours the runtime stops feeling lean and starts feeling padded. If you are a survival horror completionist who wants every entry in the genre catalogued, or a Dead Space veteran curious whether Glen Schofield had one more trick up his sleeve, there is enough here to hold attention at the right price. Go in expecting Dead Space 4 in everything but name, acknowledge the rough PC performance history, and dial expectations for genuine scares down a notch. The atmosphere earns it a look. The back half earns the mixed reviews.

Alex
Alex · Scout Team

Catch-all

Tags

singleplayerachievementscontroller-supportcloud-savessteamSurvival HorrorMelee-Focused CombatLinear NarrativeSci-Fi Prison SettingResource ScarcityGorePost-Launch DLCAtmosphere-Driven

System Requirements

Minimum

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
V…

Recommended

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 Dire…

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Reviews & Ratings

Steam
65%(42,991)

Game Info

Developer
Striking Distance Studios
Publisher
KRAFTON, Inc.
Release Date
Dec 1, 2022
Age Rating
PEGI 18

Game Modes

singleplayer

Languages

Audio (8)
EnglishFrenchItalianGermanSpanish - SpainJapanese+2 more
Subtitles (12)
EnglishFrenchItalianGermanSpanish - SpainJapanese+6 more

Features

AchievementsController SupportCloud Saves

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Frequently asked questions about The Callisto Protocol™

How much does The Callisto Protocol™ cost?

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What platforms is The Callisto Protocol™ available on?

The Callisto Protocol™ is available on PC.

When was The Callisto Protocol™ released?

The Callisto Protocol™ was released on 1 December 2022.

Who developed The Callisto Protocol™?

The Callisto Protocol™ was developed by Striking Distance Studios and published by KRAFTON, Inc..