# Knock On The Window

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

- Steam appid: 3520030
- Developer: Tropical Games
- Released: 2025 · Genre: Adventure · List price: $3.99
- Deal grade: D (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $103 to $154 per month (mid $128)
- Opportunity score: $128/month at x1.00 dormancy multiplier
- Est. lifetime owners: 5.8k · Est. lifetime net revenue: $7.7k
- Review sentiment: 91% positive across 188 reviews (180 from Steam purchases)
- Review velocity: 3.8 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 7 months ago
- Studio active elsewhere (2 titles tracked), so this one may welcome a partner
- Last build shipped 11 months ago

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $233 |
| After VAT / sales tax (-13% blended) | $203 |
| After refunds (-9.5% median) | $183 |
| Net to developer (after Steam 30%) | $128 |

## Monthly review counts, oldest to newest (11 months)

86, 36, 24, 6, 9, 4, 5, 3, 4, 1, 6

## 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/3520030
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.