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The modern compatibility index for Steam games on Linux.

Steam · Linux · Proton & Native

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Protondex is an independent community compatibility index and is not affiliated with Valve, Steam, Proton, CodeWeavers, or ProtonDB.

Some historical compatibility records originate from ProtonDB's data export under the Open Database License (ODbL) v1.0; Protondex publishes a periodic public dump of its compatibility database under the same license. View the ODbL.

MementoMori · Protondex

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MementoMori

#2302530

Dive into a World Where Sorrow Meets Beauty

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Recommendation

ProtonGreat

Only Proton reports exist so far.

Compatibility

Proton

Great

✓CurrentMedium confidence

4 reports · Medium confidence: more recent reports would firm this up.

NativeNone

No native Linux build — Proton only

Desktop

Great

✓CurrentMedium confidence

4 reports · Medium confidence: more recent reports would firm this up.

HandheldUnknown

No reports yet

Anti-cheatUnknown

No anti-cheat reports yet

Summary based mostly on historical data from ProtonDB. Fresh reports from your setup help keep it current.

Freshness:✓Current4 reports · last updated May 24, 2026

Guide cards

No guide cards yet — curated troubleshooting for MementoMori will appear here.

Reports (4)

PathOutcomeDeviceFreshnessAnti-cheat

4 of 4 reports

GreatProtonDesktopHistorical · ProtonDB
May 24, 2026
Imported from ProtonDB (ODbL)
ReadyProtonDesktopHistorical · ProtonDB
Mar 9, 2026
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jan 3, 2026
Imported from ProtonDB (ODbL)
ReadyProtonDesktopHistorical · ProtonDB
Mar 26, 2025
Imported from ProtonDB (ODbL)