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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.

DUET · Protondex

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DUET

#3394250

DUET illustrates the Hifuu Club's first encounter. It is a wordless, narrative-driven experience about connection and small moments in life. Step into the subtle yet fateful daily interactions that intertwine Renko and Merry's lives.

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Recommendation

ProtonGreat

Only Proton reports exist so far.

Compatibility

Proton

Great

!StaleLow confidence

1 report · Low confidence: very few recent reports yet.

NativeNone

No native Linux build — Proton only

Desktop

Great

!StaleLow confidence

1 report · 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:!Stale1 report · last updated May 3, 2025

The newest report is over a year old — compatibility may have changed since.

Guide cards

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

Reports (1)

PathOutcomeDeviceFreshnessAnti-cheat

1 of 1 report

GreatProtonDesktopHistorical · ProtonDB
May 3, 2025
Imported from ProtonDB (ODbL)