Black Market of Bulletphilia ~ 100th Black Market.

上海アリス幻樂団 · 2022 · $14.99 · Action · deal grade B

Measured on 2026-10-05 15:46 UTC. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

Estimated net residual revenue: $178 to $266 per month
Opportunity: $533 per month at x2.40 dormancy
Estimated lifetime owners: 19.1k
82% positive across 502 reviews · 2.4 reviews/month

Why it's flagged

No developer announcement on record, ever
Studio quiet across its whole catalog
Store page localized in only 1 language(s)
No Steam discount in 4.0 years (deepest tracked: -0%)

Analyst notes (AI-assisted)

Note written 2026-09-16; the live figures above take precedence over any numbers in it.

A roguelike bullet-hell spinoff starring Marisa from the Touhou franchise, built around collecting and combining ability cards across procedurally varied stages.

This is a quiet but durable title from ZUN's legendary doujin studio, sitting at solid four-figure monthly residuals with an 82% positive rating and a deeply engaged core audience. The card-deck mechanic is resonating; players consistently praise it as a refinement of the parent franchise's 18th mainline entry. For a publisher or acquisitions team evaluating Touhou ecosystem rights, this represents proven post-launch design iteration and a live revenue stream with minimal support overhead, though the title's niche difficulty and RNG-heavy systems limit mainstream crossover appeal. Most realistic play: watch.

Risk: Game exists within Touhou IP controlled by ZUN; acquisition of the binary alone does not grant franchise rights, and any revival or localization campaign requires negotiation with the original creator.
Risk: Single-language Japanese build with 85% localization gap (English text absent) severely limits potential audience discovery despite strong English-language review uptake.
Risk: Developer studio status flagged as 'fading'; no dev posts in recent months and no discount activity in 12 months suggests minimal ongoing support capacity.

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