OPUS: Rocket of Whispers

SIGONO INC. · 2018 · $14.99 · Adventure · deal grade B

Measured on 2026-09-23 14:01 UTC, 12 days ago. The whole catalog is re-measured daily; a game that just launched can move fast between passes.

Estimated net residual revenue: $806 to $1.2k per month
Opportunity: $1.6k per month at x1.60 dormancy
Estimated lifetime owners: 71.5k
92% positive across 1716 reviews · 12.5 reviews/month

Why it's flagged

Developer silent for 3.8 years
Studio active elsewhere (4 titles tracked), so this one may welcome a partner
Last discounted 1 months ago, 8 sales in the last 12 months

Analyst notes (AI-assisted)

Note written 2026-08-23; the live figures above take precedence over any numbers in it.

A narrative-driven walking simulator about two characters stranded in a snowstorm, blending lo-fi adventure gameplay with character-driven storytelling.

OPUS maintains a quiet but loyal playerbase (92% positive, 45% still-active) and generates $839/mo residual revenue despite zero developer communication in 44 months. The studio is operating and has shipped 4 titles, suggesting capacity to support catalog titles. For a publisher seeking low-risk, profitable indie acquisitions with proven emotional resonance and minimal maintenance burden, this represents solid fundamentals; a revival campaign targeting narrative-game audiences or a bundle inclusion could unlock the $1,761/mo opportunity gap. Most realistic play: acquisition.

Risk: Walking simulator genre has contracted since 2018; player ceiling at 3-5 concurrent suggests niche appeal limits upside without repositioning.
Risk: Protagonist characterization (emotional immaturity, mother-complex dynamic) is divisive; narrative-focused revival must address or lean into this polarity rather than sand it down.
Risk: Player feedback flags ongoing technical friction ('tech is still not where it should be'); unsupported for 44 months means debt accumulation on compatibility and backend systems.

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