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The modern compatibility index for Steam games on Linux.

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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.

Unfriendly Friend Demo · Protondex

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Unfriendly Friend Demo

#3065490

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Recommendation

ProtonGreat

Only Proton reports exist so far.

Compatibility

Proton

Great

↻Needs confirmationLow confidence

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

NativeAvailable

Native Linux build · no reports yet

Desktop

Great

↻Needs confirmationLow confidence

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

HandheldUnknown

No reports yet

Anti-cheatUnknown

No anti-cheat reports yet

Unfriendly Friend Demo has a native Linux build

No native reports yet — be the first to tell others how the native build runs.

Report the native build

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

Freshness:↻Needs confirmation2 reports · last updated Oct 18, 2025

Guide cards

No guide cards yet — curated troubleshooting for Unfriendly Friend Demo will appear here.

Reports (2)

PathOutcomeDeviceFreshnessAnti-cheat

2 of 2 reports

GreatProtonDesktopHistorical · ProtonDB
Oct 18, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Oct 18, 2025
Imported from ProtonDB (ODbL)