PCGame

Book of Demons

Isometric dungeon crawler with card-based abilities and adjustable quests

Thing Trunk · Released Dec 13, 2018

ActionAdventureCasualIndieRPG

Reviews
Very Positive
81% of 10K
Recent reviews
Not enough recent
Players
5
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
2 years ago
Jan 16, 2024
Minimum PC
DirectX 9 GPU
2 GB RAM · 1 GB disk
Full requirements

Metacritic: 72/100 (critic reviews)

What is Book of Demons?

An isometric action RPG set in a pop-up book world, where you descend through procedurally generated dungeons beneath the Old Cathedral to stop the Archdemon. You fight monsters using cards that represent items, spells, and skills, and choose how long each dungeon trip will be.

For you if...

  • +you want dungeon trips sized to your available time
  • +you like playful takes on dark fantasy

Not for you if...

  • −you want free movement rather than fixed dungeon paths
  • −you expect a traditional deckbuilding card game

What players say

81% of 10,206 reviews are positive

Players praise the papercraft art and the variety of card combinations, while many find combat repetitive and click-heavy.

How many players finish Book of Demons?

19% of Steam players have unlocked «All Hail the New King», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Book of Demons screenshot 1

Book of Demons system requirements

Minimum: DirectX 9 GPU, 2 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run Book of Demons?

Tell us your graphics card once and every game page will answer this for you.

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Minimum

OS
Windows 7, 8, 8.1, 10
Processor
1.7 GHz Dual Core or Greater
Graphics
512 MB DirectX 9.0c compatible graphics card
Memory
2 GB RAM
Storage
1 GB available space
DirectX
Version 9.0c
Notes
Controller Support

Does Book of Demons have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Book of Demons run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Default controller config not fully functional
  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • Some in-game text is small and may be hard to read
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows, macOS
Achievements
202
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Full audio: English. Text only: Polish, French, Italian, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, German, Turkish, Spanish - Spain, Bulgarian, Korean, Ukrainian.

Does Book of Demons use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam

Tags

Recent updates

3 DLC available.

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