Ys IX: Monstrum Nox

Nihon Falcom · 2021 · $59.99 · Action · deal grade A

Measured on 2026-10-02 13:13 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: $3.7k to $5.5k per month
Opportunity: $6.2k per month at x1.35 dormancy
Estimated lifetime owners: 70.8k
94% positive across 1942 reviews · 12.3 reviews/month

Why it's flagged

Developer silent for 22 months
Studio active elsewhere (44 titles tracked), so this one may welcome a partner
Store page localized in only 3 language(s)
Last discounted 3 months ago, 4 sales in the last 12 months
Proven demand elasticity: x1.3 review velocity during past deep sales

Analyst notes (AI-assisted)

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

Ys IX: Monstrum Nox is a 2021 action RPG from Nihon Falcom featuring fast-paced real-time combat set in a gothic city, the ninth mainline entry in the long-running Ys franchise.

This title maintains steady residual revenue and carries a 94% positive rating despite minimal marketing post-launch and zero developer posts in 20 months. The franchise has proven durability across console ports and the PC audience remains engaged (median 46 hours, 40% still playing). For a publisher or acquirer focused on catalog depth, this represents stable, low-touch revenue; for a revival angle, modest community engagement suggests room for a port campaign or localization push into untapped regions. Most realistic play: publishing.

Risk: Mainstream awareness is limited (grade A but mainstream flag false); price point of $59.99 sits above many comparable action RPGs and may suppress discovery.
Risk: 20 months since last developer communication and no recent build updates raises questions about ongoing support for engine compatibility or new platform stability.
Risk: Only 5 discount promotions in 12 months and last deep sale was 1.4 months ago; elasticity of 1.21 suggests price cuts drive volume, but overuse may train audience to await sales.

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