ONE.

novamicus · 2023 · $19.99 · Adventure · deal grade B

Measured on 2026-10-04 10:04 UTC. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

Estimated net residual revenue: $519 to $779 per month
Opportunity: $876 per month at x1.35 dormancy
Estimated lifetime owners: 15.0k
80% positive across 397 reviews · 5.2 reviews/month

Why it's flagged

Developer silent for 15 months
Studio quiet across its whole catalog
Store page localized in only 4 language(s)
Last discounted 0 months ago, 10 sales in the last 12 months

Analyst notes (AI-assisted)

Note written 2026-09-07; the live figures above take precedence over any numbers in it.

ONE. is a 2023 visual novel port of a PS1-era Japanese romance adventure, published by Shiravune with a primarily Asian player base.

ONE. has generated solid four-figure monthly residuals with a stable 80% positive rating, but faces a critical technical credibility problem: the Japanese language audio is reportedly broken, undermining its core appeal to the franchise's original demographic and likely explaining the 9-point sentiment decline in recent months. The title is owned outright by Shiravune (a known visual-novel label), has no achievements or community-building hooks, and the developer appears inactive. This is a recovery play for a publisher with visual-novel expertise and localization chops, not an acquisition target. Most realistic play: publishing.

Risk: Japanese language audio implementation is reportedly non-functional, breaking the experience for the game's largest review cohort and likely driving churn among core fans.
Risk: Ultra-niche visual-novel audience with minimal discoverability on Steam; 16% free-copy rate and key-share activity suggest heavy reliance on bundling and giveaway channels rather than organic sales.
Risk: Developer communication has been dormant for 14+ months, raising questions about capacity or willingness to ship patches.

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