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Marshmallow Land: Definitive Edition
#3645990A seemingly innocent children's game from the late 2000's, taken off of store shelves early into its lifetime and forgotten.
Recommendation
ProtonGreat
Needs confirmationLow confidence
Only Proton reports exist so far.
Last report Jan 5, 2026
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 Jan 5, 2026) and needs a fresh report to confirm it still holds.
Add a fresh report