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KELDER
#2973450Trapped in a sinister post-Soviet basement, uncover the truth behind dark experiments and eerie anomalies. Solve puzzles, find keys, and survive against terrifying entities as you explore this atmospheric survival horror. Can you escape the depths of the KELDER?
Recommendation
ProtonGreat
Needs confirmationLow confidence
Only Proton reports exist so far.
Last report Dec 5, 2025
Compatibility
Proton
Great
Needs confirmationLow confidence
1 report · Low confidence: very few recent reports yet.
NativeNone
No native Linux build — Proton only
Anti-cheatUnknown
No anti-cheat reports yet
Reports(1)
Most of this is historical ProtonDB data (newest from Dec 5, 2025) and needs a fresh report to confirm it still holds.
Add a fresh report