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Firmament
#754890Firmament is a new puzzle-adventure game by the legendary game studio behind the best-selling games Myst and Riven. Featuring deep storytelling and world-building, discover the story of this seemingly abandoned world as you explore and unlock the mysteries of 3 unique Realms… and beyond!
Recommendation
ProtonGreat
Needs confirmationMedium confidence
Only Proton reports exist so far.
Last report Jan 19, 2026
Compatibility
Proton
Great
Needs confirmationMedium confidence
11 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(11)
Most of this is historical ProtonDB data (newest from Jan 19, 2026) and needs a fresh report to confirm it still holds.
Add a fresh reportShowing 11 of 11 reports
- GreatProtonDesktopHistoricalJan 19, 2026
- GreatProtonDesktopHistoricalJan 19, 2026
- BrokenProtonDesktopHistoricalJan 2, 2025
- BrokenProtonDesktopHistoricalDec 22, 2024
- PerfectProtonDesktopHistoricalMay 26, 2023
- GreatProtonDesktopHistoricalMay 22, 2023
- GreatProtonDesktopHistoricalMay 22, 2023
- GreatProtonDesktopHistoricalMay 20, 2023
- GreatProtonDesktopHistoricalMay 20, 2023
- GreatProtonDesktopHistoricalMay 18, 2023
- GreatProtonDesktopHistoricalMay 18, 2023
End of reports