# Aviassembly

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

- Steam appid: 2660460
- Developer: Jelle Booij
- Released: 2025 · Genre: Simulation · List price: $9.99
- Deal grade: C (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $17.1k to $25.6k per month (mid $21.3k)
- Opportunity score: $21.3k/month at x1.00 dormancy multiplier
- Est. lifetime owners: 292.3k · Est. lifetime net revenue: $979.1k
- Review sentiment: 97% positive across 9334 reviews (9134 from Steam purchases)
- Review velocity: 254.5 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 2 months ago
- Studio active elsewhere (2 titles tracked), so this one may welcome a partner
- Last build shipped 2 months ago
- Store page localized in only 1 language(s)

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $38.7k |
| After VAT / sales tax (-13% blended) | $33.7k |
| After refunds (-9.5% median) | $30.5k |
| Net to developer (after Steam 30%) | $21.3k |

## Monthly review counts, oldest to newest (16 months)

2173, 1918, 816, 749, 387, 274, 281, 428, 291, 323, 200, 395, 245, 272, 206, 209

## Markets by review language

- german: 12% (game NOT localized in this language)
- koreana: 0% (game NOT localized in this language)
- russian: 3% (game NOT localized in this language)
- spanish: 2% (game NOT localized in this language)
- schinese: 1% (game NOT localized in this language)
- brazilian: 1% (game NOT localized in this language)
- french: 5% (game NOT localized in this language)
- english: 76%
- japanese: 0% (game NOT localized in this language)

Localization gap: 24% of measured reviews are written in languages the game does not support (top: german). Localizing is likely immediate market expansion.

## 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/2660460
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.