A Shooter game by Striking Distance Studios, released in 2022
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.
Current lowest price for The Callisto Protocol PC key. Verified daily.
The official download size for The Callisto Protocol is 75 GB. Based on current hardware prices, this installation consumes approximately $4.50 worth of SSD storage space.
File Size
Est. SSD Cost
Estimated Time to Install
1h 42m
Live player count and server population analysis.
There are currently 106 people playing The Callisto Protocol, indicating a niche or private community. Coordinate via Discord for best results.
Manual backup locations for PC, Mac, and Linux.
SteamOS and Linux Proton performance analysis.
Don't let the "Unsupported" tag fool you. While Valve hasn't officially verified The Callisto Protocol, ProtonDB users report it runs perfectly (Gold/Platinum rating). You may need to force a specific Proton version.
PC system requirements - Minimum vs Recommended specs.
To run The Callisto Protocol smoothly, your PC needs at least 16 GB RAM RAM and a NVIDIA® GeForce® GTX 1070 or AMD Radeon™ RX 5700 or equivalent GPU. Plan for 75 GB of storage.
Aggregated critic scores and player sentiment analysis.
Based on 7 critic reviews, opinion on The Callisto Protocol is divided. While it offers some unique shooter mechanics, the score of 65 suggests inconsistent execution. We recommend checking gameplay footage before buying.
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