Striking Distance Studios

The Callisto Protocol

2022 survival horror · horror game^*

At a glance

Genres

survival horror
horror game^*

Play modes

single-player video game

Game facts

Developers

Striking Distance Studios

Publishers

Krafton
KRAFTON, Inc.^*

Engines

Unreal Engine 4

View full details

Platforms

Players by platform

Microsoft Windows^*
Maximum players (mode unspecified)
1^*

Content classifications

ESRB · Microsoft Windows^*
Classification
M - Mature^*

Compatibility and community reports

Controller support · 2026-06-27^*
Controller support
Full^*
Steam Deck · Community performance · 2026-06-27^*
Community-reported frame rate
35 fps^*
Reports
1^*
Linux · Community reports · 2026-06-27^*
Community Linux compatibility tier
Platinum^*
Reports
66^*
Community confidence
strong^*
Steam Deck · 2026-06-27^*
Compatibility category
Verified^*

System requirements

Windows · Minimum^*
Operating system
Windows 10/11^*
Processor alternatives
Intel® Core™ i5-8400 or AMD Ryzen™ 5 2600^*
Memory
8 GB RAM^*
Graphics alternatives
NVIDIA® GeForce® GTX 1060 or AMD Radeon™ RX 580^*
Graphics API
Version 11^*
Storage
75 GB available space^*
Conditions
Requires a 64-bit processor and operating system^*
Windows · Recommended^*
Processor alternatives
Intel® Core™ i7-8700 or AMD Ryzen™ 5 3600^*
Memory
16 GB^*
Graphics alternatives
NVIDIA® GeForce® GTX 1070 or AMD Radeon™ RX 5700^*
Windows · Recommended memory · 2026-06-27^*
Memory
16 GB^*

Steam version platforms

Windows^*
Supported
Yes^*
macOS^*
Supported
No^*
Linux^*
Supported
No^*

Interface languages

English^*
Full audio
Yes^*
French^*
Full audio
Yes^*
Italian^*
Full audio
Yes^*
German^*
Full audio
Yes^*
Spanish - Spain^*
Full audio
Yes^*
Japanese^*
Full audio
Yes^*
Korean^*
Full audio
Yes^*
Polish^*
Portuguese - Brazil^*
Simplified Chinese^*
Full audio
Yes^*
Spanish - Latin America^*
Russian^*

Audio languages

English^*
French^*
Italian^*
German^*
Spanish - Spain^*
Japanese^*
Korean^*
Simplified Chinese^*
Russian^*

Game features

Single-player^*
Steam Achievements^*
Full controller support^*
Steam Cloud^*
Family Sharing^*

Store genres

Action^*
Adventure^*

Screenshots

Screenshot 1 from The Callisto Protocol

Screenshot 2 from The Callisto Protocol

Screenshot 3 from The Callisto Protocol

* Provisional data