Touhou Kanjuden ~ Legacy of Lunatic Kingdom.

上海アリス幻樂団 · 2019 · $14.99 · Action · deal grade B

Measured on 2026-09-26 05:37 UTC, 10 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

• Estimated net residual revenue: $1.3k to $1.9k per month
• Opportunity: $3.0k per month at x1.90 dormancy
• Estimated lifetime owners: 60.9k
• 98% positive across 1632 reviews · 19.6 reviews/month

Why it's flagged

• Developer silent for 4.7 years
• Studio quiet across its whole catalog
• Store page localized in only 1 language(s)
• Last discounted 3 months ago, 1 sales in the last 12 months

Analyst notes (AI-assisted)

Note written 2026-08-25; the live figures above take precedence over any numbers in it.

A 2019 bullet-hell action game in the long-running Touhou Project franchise, focused on dodging-intensive combat against increasingly punishing boss encounters.

Legacy of Lunatic Kingdom sits in a comfortable niche: it maintains steady residual revenue with a devoted core community (98% positive sentiment), minimal competition for the specific Touhou license slot it occupies, and very low player churn despite harsh mechanical difficulty. The opportunity is not to grow it, but to hold it as a reliable catalog asset within a Touhou portfolio or to study why such a niche, unpatched title sustains engaged play. A studio considering franchise consolidation should evaluate whether owning this title strengthens their Touhou footprint; a publisher should weigh whether the licensing complexity (ZUN/Touhou Project IP) justifies the modest but stable cash flow. Most realistic play: licensing.

• Risk: Touhou Project is owned and controlled by ZUN (Junya Ota); acquiring this single title does not grant any rights to the broader franchise, sequels, or character use outside this game.
• Risk: No developer activity in 55 months and no engine patches; older titles in this genre can face compatibility issues as operating systems and hardware advance.
• Risk: Median playtime of 7 hours and a very small active population (23 players now, peak 31 in last 30d) suggest a game that appeals to a narrow, high-skill audience unlikely to grow through marketing.

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