ResidualPlaybeta Open the radar

Corpse Party: Book of Shadows

MAGES. Inc. · 2018 · $14.99 · Adventure · deal grade B

Measured on 2026-10-03 02:02 UTC, 3 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

  • Estimated net residual revenue: $238 to $356 per month
  • Opportunity: $564 per month at x1.90 dormancy
  • Estimated lifetime owners: 24.1k
  • 85% positive across 523 reviews · 3.7 reviews/month

Why it's flagged

  • No developer announcement on record, ever
  • Studio active elsewhere (24 titles tracked), so this one may welcome a partner
  • Store page localized in only 2 language(s)
  • Last discounted 0 months ago, 8 sales in the last 12 months
  • Proven demand elasticity: x1.3 review velocity during past deep sales

Analyst notes (AI-assisted)

Note written 2026-09-11; the live figures above take precedence over any numbers in it.

Corpse Party: Book of Shadows is a visual novel adventure sequel that expands the horror franchise with investigation mechanics and alternate-timeline storytelling.

This 2018 title maintains a loyal fanbase (85% positive, 40% still playing) and generates steady residual revenue despite minimal marketing push. The opportunity sits in the revival angle: a quiet cult franchise with operating developer, zero promotions in 12 months, and untapped localization potential (37% gap, primarily Simplified Chinese). Best fit for a publisher willing to resurrect dormant IP through translation, bundle play, or franchise coordination rather than a standalone acquisition. Most realistic play: revival.

  • Risk: Ultra-niche visual novel genre with only 3 concurrent players and no mainstream reach; success depends entirely on existing Corpse Party fandom.
  • Risk: 2018 build age and zero developer posts on record suggest inactive maintenance; engine compatibility or storefront policy drift could strand the title.
  • Risk: Narrative-driven sequel heavily dependent on player familiarity with prior game; standalone appeal is limited.

This case as Markdown · Estimates carry ±30-50% error per title.