Touhou Seirensen ~ Undefined Fantastic Object.

上海アリス幻樂団 · 2020 · $14.99 · Action · deal grade B

Measured on 2026-10-05 16:09 UTC. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

• Estimated net residual revenue: $495 to $742 per month
• Opportunity: $1.2k per month at x1.90 dormancy
• Estimated lifetime owners: 17.1k
• 96% positive across 446 reviews · 7.7 reviews/month

Why it's flagged

• Developer silent for 5.9 years
• Studio quiet across its whole catalog
• Store page localized in only 1 language(s)
• Last discounted 4 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.

Touhou Seirensen ~ Undefined Fantastic Object is a 2D bullet-hell shoot-em-up and the 13th mainline entry in ZUN's long-running doujin Touhou franchise.

This title generates ~$618/mo in residual revenue from a stable, deeply engaged fanbase (95.7% positive, 57% still playing) despite minimal marketing and no developer engagement in 5+ years. The Touhou IP remains a cultural pillar in indie gaming and anime fandom, with strong merchandising and derivative-work potential. Acquisition is not viable given ZUN's personal ownership of the franchise, but publishing or licensing angles warrant exploration if the artist signals openness to western localization or catalog expansion. Most realistic play: licensing.

• Risk: 上海アリス幻樂団 (ZUN's circle) retains all Touhou IP; publisher Mediascape appears to handle distribution only, limiting acquirer optionality.
• Risk: Extremely niche audience (11 current players); growth depends entirely on fandom expansion or derivative-work licensing, not organic marketing.
• Risk: No developer communication in 69 months; technical debt, platform parity, or engine obsolescence risks are unknown.

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