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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.

Hidden Cats in Santa's Realm · Protondex

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Hidden Cats in Santa's Realm

#1726750

It's Christmas time! The Santa's Icy Realm is in full steam!! Join the fun and search for all the Hidden Cats one by one among the elves to reveal the final colored art. More than 970 hidden objects! This time with an extra bonus level, SNOWBALL FIGHT!

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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 11, 2025

Guide cards

No guide cards yet — curated troubleshooting for Hidden Cats in Santa's Realm will appear here.

Reports (2)

PathOutcomeDeviceFreshnessAnti-cheat

2 of 2 reports

GreatProtonDesktopHistorical · ProtonDB
Dec 11, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Dec 21, 2023
Imported from ProtonDB (ODbL)