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Return to Shironagasu Island
#1156990A mystery adventure game and visual novel set on solitary Shironagasu Island. Discover its secrets, solve its mysteries, and escape from the ominous island!
Recommendation
ProtonPerfect
CurrentLow confidence
Only Proton reports exist so far.
Last report Feb 21, 2026
Compatibility
Proton
Perfect
CurrentLow confidence
6 reports · Low confidence: very few recent reports yet.
NativeNone
No native Linux build — Proton only
Anti-cheatUnknown
No anti-cheat reports yet
Reports(6)
Most reports here are historical ProtonDB imports — be the first to add a fresh Return to Shironagasu Island report.
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