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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.

Lost Horizon 2 · Protondex

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Lost Horizon 2

#395560

In the shadow of the Cold War, Fenton Paddock is facing the hardest fight of his life. While the tensions between the superpowers threaten to tear the world apart, the British soldier has to save his family that has been caught by powerful enemies.

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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.

NativeNone

No native Linux build — Proton only

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

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

Freshness:↻Needs confirmation2 reports · last updated Dec 10, 2025

Guide cards

No guide cards yet — curated troubleshooting for Lost Horizon 2 will appear here.

Reports (2)

PathOutcomeDeviceFreshnessAnti-cheat

2 of 2 reports

GreatProtonDesktopHistorical · ProtonDB
Dec 10, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jun 3, 2021
Imported from ProtonDB (ODbL)