Book of Demons Review Summary

Last updated: 2026-05-11
Review summary
  • Unique and appealing art style
  • Innovative card-based mechanics
  • Relaxing and enjoyable gameplay
  • Repetitive gameplay mechanics
  • Frustrating enemy mechanics
  • Clunky character movement
Book of Demons header

Categories

Hack and SlashDeckbuildingProcedural GenerationRoguelikeDungeon CrawlerCard-based GameplayGrid-based MovementAction RPG

Emotions

Archetypes

Timed cohorts

Switch between playtime slices of churn risk.

Refund churn

Risk snapshot

Fast read on churn risk and the loudest complaints.

73.8% PrecisionDec 15, 2018 ā†’ May 5, 2026
Total revenue at risk
$23,366

~$260 per month

Modeled from refund-intent reviews

Most dangerous issue
Poor Movement Mechanics

Design Ā· 27.7% of risk

Churn driver breakdown

Weighted by churn risk

$23,366
Design
Technical
85.1%$19,896
14.9%$3,470
Issue map

Complaint treemap

Normalized churn drivers sized by volume; click to inspect a cluster.

Issue treemap
Design Ā· 85.7% share
Technical Ā· 14.3% share
Issue Ā· Design
Poor Movement Mechanics
Share of issues
28.6%
Primary region
USA/UK
Detected from language cues
Anger level
Frustrated
Average sentiment intensity