The Callisto Protocol
The Callisto Protocol
December 2, 2022ShooterAdventure
67Player rating(155)65Critic rating(7)27following
- Developer
- Striking Distance Studios
- Publisher
- Krafton, Skybound Games
- Platforms
- WindowsPlayStationXbox
- Themes
- Action · Science fiction · Horror · Survival
- Also known as
- 木卫四协议
About
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.
Across Zagreus servers
1 server
153 hours
Total playtime
22
Players
105
Sessions
#360
Most played
of 4,703 games
- First played
- Oct 1, 2025
- Last played
- Aug 30, 2026
Last 90 days11 hours
Top players
All servers
- 1
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Screenshots
6
Trailers
Opens YouTube
Time to beat
Community-reported
- Hastily
- 9.5 hours
- Main story only
- Normally
- 11 hours
- Story plus some extras
Modes & multiplayer
Single player
Where to buy
Steam — opens The Callisto Protocol on Steam in a new tabEpic Games — opens The Callisto Protocol on Epic Games in a new tabPlayStation Store — opens The Callisto Protocol on PlayStation Store in a new tabXbox — opens The Callisto Protocol on Xbox in a new tab
Official & community
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