Casualties: Unknown

#4576490

Casualties: Unknown is an unforgiving cave-exploration survival simulator. Your captors have tasked you with retrieving lost cargo on a foreign planet, explore its 11 layers and do your best to survive diverse hostile environments. You are just one of the thousands of test subjects sent to die.

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Recommendation

ProtonGreat

Only Proton reports exist so far.

Compatibility

Proton

Great

CurrentMedium confidence

13 reports · Medium confidence: more recent reports would firm this up.

NativeNone

No native Linux build — Proton only

Desktop

Great

CurrentMedium confidence

13 reports · Medium confidence: more recent reports would firm this up.

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:Current13 reports · last updated May 29, 2026

Guide cards

No guide cards yet — curated troubleshooting for Casualties: Unknown will appear here.

Reports (13)

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PathOutcomeDeviceFreshnessAnti-cheat

13 of 13 reports