# UNDER NIGHT IN-BIRTH Exe:Late[cl-r]

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

- Steam appid: 801630
- Developer: FRENCH-BREAD
- Publisher: Arc System Works
- Released: 2018 · Genre: Action · List price: $24.99
- Deal grade: B (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $859 to $1.3k per month (mid $1.1k)
- Opportunity score: $2.3k/month at x2.10 dormancy multiplier
- Est. lifetime owners: 140.7k · Est. lifetime net revenue: $755.5k
- Review sentiment: 94% positive across 3863 reviews (2813 from Steam purchases)
- Review velocity: 8.0 reviews/month (6-month average)

## Why it's flagged

- Developer silent for 6.4 years
- Studio active elsewhere (4 titles tracked), so this one may welcome a partner
- Last build shipped 6.4 years ago
- Last discounted 5 months ago, 5 sales in the last 12 months

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $2.0k |
| After VAT / sales tax (-13% blended) | $1.7k |
| After refunds (-9.5% median) | $1.5k |
| Net to developer (after Steam 30%) | $1.1k |

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

10, 2, 15, 9, 6, 3, 7, 7, 12, 9, 11, 7, 6, 4, 14, 5, 11, 7, 12, 7, 8, 11, 8, 2

## Estimated acquisition range

$25.8k to $51.6k (2-4x the trailing net annuity of $12.9k/year). Same error range applies.

## Analyst notes (AI-assisted)

A 2D anime fighting game from Arc System Works' Japanese fighting-game catalog, built on the Under Night In-Birth franchise.

This title sits in a narrow but profitable lane: a niche 2D fighter with 94% positive reviews, $755k lifetime net revenue, and $1,074/mo residual income despite zero developer engagement in 77 months. The game is mechanically mature and community-sustained, but the 27% key-site distribution and 4.9-month discount cycle signal price elasticity and reliance on sales rather than organic traffic. For Arc System Works or a fighting-game specialist publisher, this is a catalog hold generating reliable if modest returns; for an outside acquirer, viability depends on franchise rights and willingness to invest in seasonal content or esports positioning to unlock growth.

- Most realistic play: watch
- Risk (tech): 76+ months without developer update; netcode, compatibility, or balance patches may fall behind platform standards and competing fighters.
- Risk (market): Mainstream indifference (grade B, mainstream=false) and ultra-niche community limit organic growth; player acquisition depends on sales and fighting-game enthusiast discovery.
- Risk (market): High elasticity (1.18) and 27% key-share distribution suggest pricing power is weak; discounts drive volume, but margin-per-unit erosion limits upside.

What players are asking for:
- New character or balance patches
- Rollback netcode or online stability improvements
- Cross-platform play or Steam Deck support
- Seasonal battle pass or cosmetic revenue model

Suggested first moves:
1. Audit Arc System Works' IP ownership and rights to sequels, spin-offs, or cosmetic DLC expansion; confirm whether the IP is internally held or co-licensed.
2. Model seasonal content roadmap (balance patches, cosmetics, or battle pass) against $1,074/mo baseline to identify breakeven for developer re-engagement; fighting-game communities respond sharply to perceived support.
3. Evaluate netcode modernization and cross-promotion with ArcSys' active fighting-game portfolio (Guilty Gear, BlazBlue franchises) to consolidate audience and reduce standalone marketing cost.

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/801630
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.