Steam Deck Playable · Simulation · 2026
Does The Book of Plagues work on Steam Deck?
Mostly. Valve rates it Steam Deck Playable, with a few caveats.
Playable
Short answer: mostly. The Book of Plagues is rated Steam Deck Playable. It runs, but you may need to adjust settings or use the touchscreen or on-screen keyboard at times.
Check price on Gamivo →
Gamivo is a key marketplace with many sellers. Check the key is for Steam and works in your region before buying. How Gamivo keys work
Valve's Steam Deck test results
Valve's detailed notes for this game will appear here soon. You can see them now on the Steam store page.
Steam Deck status checked 9 November 2026.
About The Book of Plagues
- Developer
- DiaMMax Games
- Publisher
- DiaMMax Games
- Release date
- 17 January 2026
- Genre
- Simulation, Adventure
- Steam
- Store page
