# Touhou Luna Nights

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

- Steam appid: 851100
- Developer: Team Ladybug
- Publisher: WSS playground
- Released: 2019 · Genre: Action · List price: $17.99
- Deal grade: A (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $5.0k to $7.5k per month (mid $6.3k)
- Opportunity score: $8.4k/month at x1.35 dormancy multiplier
- Est. lifetime owners: 549.6k · Est. lifetime net revenue: $2.1M
- Review sentiment: 97% positive across 14926 reviews (13739 from Steam purchases)
- Review velocity: 64.7 reviews/month (6-month average)

## Why it's flagged

- Developer silent for 19 months
- Studio quiet across its whole catalog
- Last discounted 1 months ago, 6 sales in the last 12 months
- Proven demand elasticity: x1.5 review velocity during past deep sales

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $11.3k |
| After VAT / sales tax (-13% blended) | $9.9k |
| After refunds (-9.5% median) | $8.9k |
| Net to developer (after Steam 30%) | $6.3k |

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

80, 94, 79, 54, 118, 123, 68, 55, 44, 53, 53, 67, 117, 99, 82, 40, 59, 73, 59, 57, 70, 43, 75, 84

## Estimated acquisition range

$150.0k to $300.1k (2-4x the trailing net annuity of $75.0k/year). Same error range applies.

## Analyst notes (AI-assisted)

A polished 2D metroidvania set in the Touhou universe with time-stop mechanics and a graze-to-heal combat system.

Luna Nights has generated $2.1M lifetime with a 97.3% positive rating and stable $6.3K/mo residual revenue, suggesting a durable cult title with strong per-player satisfaction. The core mechanic (graze-healing) and time-stop level design are genuinely novel within the metroidvania space. However, Team Ladybug is in studio decline, the game sits on dormant third-party IP, and player feedback suggests limited replayability and length as friction points. A revival campaign focused on expanded content or a sequel pitch may unlock more value than acquisition of the existing title alone.

- Most realistic play: revival
- Licensed IP: the game is built on third-party intellectual property
- Risk (licensed_ip): Game is built on Touhou Project IP (likely owned by ZUN/Team Shanghai Alice); any expansion, sequel, or localization requires rights negotiation and may face IP holder veto.
- Risk (tech): 19+ months without a dev post suggests active support has ended; technical debt and platform compatibility may compound if left dormant.
- Risk (market): Players cite length and exploration design as limiting factors; the narrow appeal to Touhou fans and metroidvania enthusiasts may cap new audience growth.

What players are asking for:
- Longer campaign or new content expansion (multiple players note shortness)
- Quality-of-life: more save points, auto-save after boss wins, reduced backtracking friction
- Keybind customization and UI tuning (mentioned in early reviews as a learning curve)

Suggested first moves:
1. Confirm Touhou IP licensing terms with Team Shanghai Alice or ZUN's representatives; map cost and approval timeline for DLC, sequel, or enhanced re-release.
2. Engage Team Ladybug or WSS playground on willingness to produce quality-of-life patches (save system, keybinds) and a content roadmap; assess whether internal capacity exists or requires external studio support.
3. Model a 'Director's Cut' or sequel pitch: extend campaign by 40-50%, add post-game boss rush or daily challenge mode, and execute a coordinated Steam + console launch to re-ignite visibility and justify a $20-25 price point.

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/851100
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.