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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.

TerraTech Legion Demo · Protondex

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TerraTech Legion Demo

#3729960

Play the free demo of TerraTech Legion, a chaotic Bullet Heaven Builder. Build the ultimate battle vehicle and survive waves of robotic foes, ramming them at speed and shooting infinite projectiles.

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Recommendation

ProtonGreat

Only Proton reports exist so far.

Compatibility

Proton

Great

↻Needs confirmationLow confidence

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

NativeNone

No native Linux build — Proton only

Desktop

Great

↻Needs confirmationLow confidence

3 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 confirmation3 reports · last updated Dec 6, 2025

Guide cards

No guide cards yet — curated troubleshooting for TerraTech Legion Demo will appear here.

Reports (3)

PathOutcomeDeviceFreshnessAnti-cheat

3 of 3 reports

GreatProtonDesktopHistorical · ProtonDB
Dec 6, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Nov 9, 2025
Imported from ProtonDB (ODbL)
GreatProtonDesktopHistorical · ProtonDB
Jul 8, 2025
Imported from ProtonDB (ODbL)