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The Callisto Protocol™
#1544020Survive to escape the horrors of Callisto and uncover the dark secrets of Jupiter’s dead moon.
Recommendation
ProtonGreat
CurrentMedium confidence
Only Proton reports exist so far.
Last report May 17, 2026
Compatibility
Proton
Great
CurrentMedium confidence
67 reports · Medium confidence: more recent reports would firm this up.
NativeNone
No native Linux build — Proton only
Anti-cheatUnknown
No anti-cheat reports yet
Reports(67)
Most reports here are historical ProtonDB imports — be the first to add a fresh The Callisto Protocol™ report.
Add a fresh reportShowing 15 of 67 reports
- PerfectProtonDesktopHistoricalMay 17, 2026
- GreatProtonDesktopHistoricalApr 28, 2026
- GreatProtonDesktopHistoricalApr 10, 2026
- PerfectProtonDesktopHistoricalFeb 14, 2026
- PerfectProtonDesktopHistoricalFeb 3, 2026
- BrokenProtonDesktopHistoricalJan 4, 2026
- GreatProtonDesktopHistoricalDec 29, 2025
- GreatProtonDesktopHistoricalNov 16, 2025
- GreatProtonDesktopHistoricalAug 31, 2025
- GreatProtonDesktopHistoricalJul 10, 2025
- GreatProtonDesktopHistoricalJun 29, 2025
- PerfectProtonDesktopHistoricalJun 25, 2025
- GreatProtonDesktopHistoricalJun 22, 2025
- BrokenProtonDesktopHistoricalJun 22, 2025
- GreatProtonDesktopHistoricalJun 13, 2025