Helen's Mysterious Castle

Satsu · 2016 · $1.99 · Casual · deal grade C

Measured on 2026-09-26 10:51 UTC, 9 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

• Estimated net residual revenue: $81 to $121 per month
• Opportunity: $191 per month at x1.90 dormancy
• Estimated lifetime owners: 59.2k
• 93% positive across 966 reviews · 9.4 reviews/month

Why it's flagged

• Developer silent for 6.9 years
• Studio inactive: no public activity across 1 tracked titles
• Store page localized in only 2 language(s)
• Last discounted 0 months ago, 4 sales in the last 12 months
• Proven demand elasticity: x2.1 review velocity during past deep sales

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