Downfall - A Slay the Spire Fan Expansion

#1865780

A FREE complete expansion for Slay the Spire, made by the modding community. Features one brand new normal character, plus a new game mode with SEVEN fully complete new characters starring in a twisted campaign, and so much more.

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Recommendation

Native (Linux build)Great

Native (great) currently rates better than Proton (blocked).

Compatibility

Proton

Blocked

CurrentLow confidence

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

Native

Great

StaleLow confidence

1 report · Low confidence: all reports predate a major ecosystem update.

Desktop

Blocked

CurrentLow confidence

8 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:Current8 reports · last updated Feb 4, 2026

Guide cards

No guide cards yet — curated troubleshooting for Downfall - A Slay the Spire Fan Expansion will appear here.

Reports (8)

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PathOutcomeDeviceFreshnessAnti-cheat

8 of 8 reports