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The Case Book of Arne
#1322290A vampire and a girl... who are they? The two of them have a secret and solve a strange case... In a world where paranormal activity takes place, "Player" solves a case in which a non-human becomes a suspect. Such a "detective adventure" is coming to STEAM.
Recommendation
ProtonGreat
Needs confirmationLow confidence
Only Proton reports exist so far.
Last report Jan 14, 2026
Compatibility
Proton
Great
Needs confirmationLow confidence
3 reports · Low confidence: very few recent reports yet.
NativeNone
No native Linux build — Proton only
Anti-cheatUnknown
No anti-cheat reports yet
Reports(3)
Most of this is historical ProtonDB data (newest from Jan 14, 2026) and needs a fresh report to confirm it still holds.
Add a fresh reportShowing 3 of 3 reports
- GreatProtonDesktopHistoricalJan 14, 2026
- GreatProtonDesktopHistoricalJul 12, 2025
- Needs TweaksProtonDesktopHistoricalOct 31, 2020
End of reports