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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.

Mushroom Kid's Big Grass Sword Demo · Protondex

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Mushroom Kid's Big Grass Sword Demo

#2734380

Play as a mushroom on a quest to save their village! Meet wacky characters and wield the Blade of Grass: a magical sword you can use to scale walls and swing around danger. Watch as it grows to comical lengths and stop the bird that captured the mushroom people! 🍄🗡️

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Recommendation

Native (Linux build)Great

Only native Linux reports exist so far.

Compatibility

ProtonUnknown

No reports yet

Native

Great

✓CurrentLow confidence

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

Desktop

Great

✓CurrentLow 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:✓Current1 report · last updated Jan 12, 2026

Guide cards

No guide cards yet — curated troubleshooting for Mushroom Kid's Big Grass Sword Demo will appear here.

Reports (1)

PathOutcomeDeviceFreshnessAnti-cheat

1 of 1 report

GreatNative (Linux build)DesktopHistorical · ProtonDB
Jan 12, 2026
Imported from ProtonDB (ODbL)