# Labyrinth of Refrain: Coven of Dusk

> ResidualPlay case file: an overlooked Steam game still earning residual revenue. Estimates carry a ±30-50% error range per title.

- Steam appid: 566540
- Developer: Nippon Ichi Software, Inc.
- Publisher: NIS America, Inc.
- Released: 2018 · Genre: RPG · List price: $49.99
- Deal grade: A (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $2.5k to $3.8k per month (mid $3.1k)
- Opportunity score: $6.6k/month at x2.10 dormancy multiplier
- Est. lifetime owners: 65.4k · Est. lifetime net revenue: $702.7k
- Review sentiment: 80% positive across 1461 reviews (1308 from Steam purchases)
- Review velocity: 11.7 reviews/month (6-month average)

## Why it's flagged

- Developer silent for 6.8 years
- Studio active elsewhere (20 titles tracked), so this one may welcome a partner
- Last build shipped 7.9 years ago
- Store page localized in only 3 language(s)

## Where a gross dollar goes (monthly, at current velocity)

| Stage | USD/month |
|---|---|
| Gross storefront sales | $5.7k |
| After VAT / sales tax (-13% blended) | $4.9k |
| After refunds (-9.5% median) | $4.5k |
| Net to developer (after Steam 30%) | $3.1k |

## Monthly review counts, oldest to newest (24 months)

8, 16, 8, 19, 17, 14, 9, 11, 7, 14, 11, 18, 5, 6, 12, 17, 15, 9, 7, 6, 5, 25, 13, 14

## Estimated acquisition range

$75.2k to $150.4k (2-4x the trailing net annuity of $37.6k/year). Same error range applies.

## Analyst notes (AI-assisted)

A 2018 dungeon RPG from Nippon Ichi Software featuring darkly comedic puppet characters, tactical party combat, and a narrative that pivots from whimsy to psychological tragedy.

Labyrinth of Refrain sits in a quiet middle ground: 80% positive Steam reception, $702k lifetime revenue, and ~$3.1k/mo residual income across a stable user base of repeat players. The title has generated minimal new sales and zero recent developer engagement (81 months since last post), yet its niche DRPG audience remains vocal and emotionally invested. This is a catalog hold with modest revival potential if NIS America chooses to market it alongside spiritual successors or localize additional Nippon Ichi catalog titles.

- Most realistic play: watch
- Risk (market): DRPG genre is niche; player base competes directly with Etrian Odyssey and similar dungeon crawlers, and reviews explicitly note unfavorable mechanical comparisons.
- Risk (tech): 94-month-old codebase with no recent developer updates; technical debt and platform deprecation (Unity version, engine EOL support) are likely.
- Risk (other): Pacing complaints (10+ hours of grinding for single boss fights) and front-loaded story structure suggest post-launch tuning was minimal; revival would require design intervention.

What players are asking for:
- More games in this DRPG subgenre from NIS (per review 1)
- Balanced progression curve to reduce repetitive grinding (reviews 4, 5)
- UI/QoL enhancements for puppet formation management (review 5)

Suggested first moves:
1. Audit current Steam review sentiment and playtime distribution to identify retention bottlenecks; assess whether a patch (rebalance grind, UI polish) could lift engagement and reviews_per_month above current 12/mo baseline.
2. Cross-reference Nippon Ichi's global catalog and NIS America's publishing roadmap to position Labyrinth as a flagship for a 'tactical DRPG collection' repositioning or bundle; low-cost relaunch via seasonal sale or franchise bundle could test appetite.
3. Engage Japanese community (NIIS forums, Discord, social) to quantify localization demand or spin-off interest; the emotional narrative and character work suggest potential for visual novel, gacha, or light-novel adaptation in Asian markets.

Generated 2026-08-20 from public signals and player reviews. Directional, not diligence.

## Methodology

Units are estimated from Steam-purchase reviews times a release-cohort multiplier (Boxleiter method, 20-75x by year). Revenue uses an effective price (lifetime discounts and regional pricing) and nets out VAT (~13%), refunds (~9.5%) and Steam's 30% cut: roughly 55% of gross reaches the developer.

Source: https://residualplay.com/game/566540
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.