Museum No.9

YaoYi Technology · 2025 · $9.99 · Adventure · deal grade B

Measured on 2026-10-03 04:03 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: $293 to $440 per month
• Opportunity: $495 per month at x1.35 dormancy
• Estimated lifetime owners: 8.9k
• 77% positive across 280 reviews · 4.4 reviews/month

Why it's flagged

• Developer silent for 19 months
• Studio quiet across its whole catalog
• Store page localized in only 4 language(s)
• Last discounted 0 months ago, 5 sales in the last 12 months

Analyst notes (AI-assisted)

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

Museum No.9 is a philosophical adventure game about artifacts and human connection, released in early 2024 by YaoYi Technology.

Museum No.9 holds a modest but stable footprint with solid four-figure monthly residuals and a 76% positive rating despite minimal marketing activity and zero developer engagement in 18 months. The core issue is not concept weakness, players praise the philosophical premise, but a translation barrier that has likely capped growth and player retention in English markets. A localization refresh and modest community signal would test whether dormant upside exists; acquisition is low-risk given modest lifetime figures, though the studio's radio silence suggests either resource constraints or strategic pivot. Most realistic play: revival.

• Risk: English translation quality is a documented friction point that may have suppressed player reach and lifetime value in the largest market.
• Risk: Zero discounting and zero developer posts in 18 months; studio is categorized as fading, signaling possible abandonment of this title.
• Risk: Single-title studio with no portfolio track record limits ability to execute a revival campaign independently.

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