Is Downfall - A Slay the Spire Fan Expansion playable on Steam Deck?

Tested on Steam DeckLast checked June 2026

Steam Deck verdict

Playable

Yes — Downfall - A Slay the Spire Fan Expansion is playable on the Steam Deck, with some caveats.

Downfall - A Slay the Spire Fan Expansion is playable on the Steam Deck. Valve rates it Playable on the Steam Deck. The Linux/Proton community rates it Silver on ProtonDB across 8 reports.

Game info

Genres: Indie, RPG, Strategy
Developer: Table 9 Studio
Publisher: Table 9 Studio
Release: March 25, 2022
Price: See on Steam
Metacritic: —

System requirements

Windows specs from Steam — the Deck runs these through Proton.

Minimum:

OS *: Windows XP, Vista, 7, 8/8.1, 10
Processor: 2.0 Ghz
Memory: 2 GB RAM
Graphics: 1Gb Video Memory, capable of OpenGL 3.0+ support (2.1 with ARB extensions acceptable)
Storage: 2 GB available space

Steam Deck compatibility

Does it run?

Valve rating: Playable

Does it run well?

Runs well with the default settings.

✓Default controller config not fully functional
✓Interface text is legible
✓Good performance with default settings
✓External controllers not supported primary player

Downfall - A Slay the Spire Fan Expansion performance & FPS on Steam Deck

~30 fpsreported by players

Based on 1 Steam Deck community reports. These are the framerates players actually settle on — many cap it to save battery — not the game's maximum. Runs well with the default settings.

Battery & recommended settings

Estimated battery life

10h 0mat 40 fps

Recommended preset: default
Typical power draw: ~5 W

💡 SteamDeckPlayable tip: System Proton version native Steamos version 3.4

Tips for playing Downfall - A Slay the Spire Fan Expansion on Steam Deck

•Default settings already run well — no major tweaks needed to play comfortably.

Frequently asked questions

›Is Downfall - A Slay the Spire Fan Expansion playable on Steam Deck?

Downfall - A Slay the Spire Fan Expansion is playable on the Steam Deck. Valve rates it Playable on the Steam Deck. The Linux/Proton community rates it Silver on ProtonDB across 8 reports.

›Is Downfall - A Slay the Spire Fan Expansion Steam Deck Verified?

Not Verified, but Valve rates Downfall - A Slay the Spire Fan Expansion as Playable on the Steam Deck.

›How many FPS does Downfall - A Slay the Spire Fan Expansion get on Steam Deck?

Steam Deck players most often report playing Downfall - A Slay the Spire Fan Expansion at ~30 fps (based on 1 community reports). These are usually the framerate players settle on — many cap it to save battery — not the game's maximum.

›How long does the battery last playing Downfall - A Slay the Spire Fan Expansion on Steam Deck?

Steam Deck players report roughly 10h 0m at 40 fps on Downfall - A Slay the Spire Fan Expansion (from ShareDeck community reports). Capping the framerate and TDP lower stretches it further; higher brightness shortens it.