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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.

MR DONALD: SAVE VATICAN · Protondex

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MR DONALD: SAVE VATICAN

#3520250

MR DONALD — the game of the decade. You’re the hero, the hope of gamers and the entire world. Defeat every enemy with your partner and make gamedev great again!

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Recommendation

ProtonReady

Only Proton reports exist so far.

Compatibility

Proton

Ready

✓CurrentLow confidence

2 reports · Low confidence: very few recent reports yet.

NativeNone

No native Linux build — Proton only

Desktop

Ready

✓CurrentLow confidence

2 reports · Low confidence: very few recent reports yet.

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:✓Current2 reports · last updated Apr 3, 2026

Guide cards

No guide cards yet — curated troubleshooting for MR DONALD: SAVE VATICAN will appear here.

Reports (2)

PathOutcomeDeviceFreshnessAnti-cheat

2 of 2 reports

ReadyProtonDesktopHistorical · ProtonDB
Apr 3, 2026
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Mar 23, 2026
Imported from ProtonDB (ODbL)