# 3D Escape Room: Cursed Legacy

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

- Steam appid: 4175140
- Developer: Shenzhen Zhonglian Interactive Technology Co.,Ltd
- Released: 2026 · Genre: Adventure · List price: $9.99
- Deal grade: C (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $955 to $1.4k per month (mid $1.2k)
- Opportunity score: $1.2k/month at x1.00 dormancy multiplier
- Est. lifetime owners: 1.8k · Est. lifetime net revenue: $6.1k
- Review sentiment: 79% positive across 67 reviews (57 from Steam purchases)
- Review velocity: 14.2 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 3 months ago
- Studio active elsewhere (4 titles tracked), so this one may welcome a partner
- Last build shipped 3 months ago
- Last discounted 1 months ago, 2 sales in the last 12 months

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $2.2k |
| After VAT / sales tax (-13% blended) | $1.9k |
| After refunds (-9.5% median) | $1.7k |
| Net to developer (after Steam 30%) | $1.2k |

## Monthly review counts, oldest to newest (4 months)

31, 9, 8, 9

## Markets by review language

- brazilian: 2% (game NOT localized in this language)
- french: 12%
- german: 7%
- english: 55%
- russian: 2%
- spanish: 5%
- japanese: 2%
- schinese: 14%

## 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/4175140
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.
