# 3D Escape Room: Mystic Manor

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

- Steam appid: 3612480
- Developer: Shenzhen Zhonglian Interactive Technology Co.,Ltd
- Released: 2025 · Genre: Adventure · List price: $9.99
- Deal grade: D (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $313 to $469 per month (mid $391)
- Opportunity score: $391/month at x1.00 dormancy multiplier
- Est. lifetime owners: 3.6k · Est. lifetime net revenue: $11.9k
- Review sentiment: 81% positive across 129 reviews (111 from Steam purchases)
- Review velocity: 4.7 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 4 months ago
- Studio active elsewhere (4 titles tracked), so this one may welcome a partner
- Last build shipped 8 months ago

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $709 |
| After VAT / sales tax (-13% blended) | $617 |
| After refunds (-9.5% median) | $559 |
| Net to developer (after Steam 30%) | $391 |

## Monthly review counts, oldest to newest (13 months)

24, 25, 8, 4, 8, 3, 8, 5, 3, 6, 3, 3, 8

## Markets by review language

- russian: 3%
- spanish: 6%
- japanese: 2%
- schinese: 10%
- brazilian: 1% (game NOT localized in this language)
- french: 16%
- german: 4%
- english: 58%

## 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/3612480
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.