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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.

100 hidden turtles · Protondex

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100 hidden turtles

#2013900

Hidden object game in the undersea world setting. At first black and white hand-drawn graphics in a cartoon style. Then the game becomes colored. Animated fish and algae.

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Recommendation

ProtonGreat

Only Proton reports exist so far.

Compatibility

Proton

Great

✓CurrentLow confidence

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

NativeNone

No native Linux build — Proton only

Desktop

Great

✓CurrentLow confidence

6 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:✓Current6 reports · last updated Dec 29, 2025

Guide cards

No guide cards yet — curated troubleshooting for 100 hidden turtles will appear here.

Reports (6)

PathOutcomeDeviceFreshnessAnti-cheat

6 of 6 reports

GreatProtonDesktopHistorical · ProtonDB
Dec 29, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Nov 2, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Aug 31, 2024
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jul 1, 2023
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jan 29, 2023
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Sep 4, 2022
Imported from ProtonDB (ODbL)