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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.

Castle of Heart: Retold · Protondex

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Castle of Heart: Retold

#3386900

Embark on a challenging quest to defeat the evil sorcerer as a cursed warrior in this dark-fantasy action platformer inspired by the Slavic mythology. Vanquish blood-thirsty creatures, overcome lethal traps, and master demanding action sequences—before the curse will turn your stone body into dust.

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Recommendation

ProtonBlocked

Only Proton reports exist so far.

Compatibility

Proton

Blocked

↻Needs confirmationLow confidence

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

NativeNone

No native Linux build — Proton only

Desktop

Blocked

↻Needs confirmationLow 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:↻Needs confirmation1 report · last updated Oct 3, 2025

Guide cards

No guide cards yet — curated troubleshooting for Castle of Heart: Retold will appear here.

Reports (1)

PathOutcomeDeviceFreshnessAnti-cheat

1 of 1 report

BlockedProtonDesktopHistorical · ProtonDB
Oct 3, 2025
Imported from ProtonDB (ODbL)