# Heartworm

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

- Steam appid: 1257030
- Developer: Vincent Adinolfi
- Publisher: DreadXP
- Released: 2025 · Genre: Action · List price: $14.99
- Deal grade: C (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $871 to $1.3k per month (mid $1.1k)
- Opportunity score: $1.1k/month at x1.00 dormancy multiplier
- Est. lifetime owners: 14.2k · Est. lifetime net revenue: $71.3k
- Review sentiment: 86% positive across 496 reviews (443 from Steam purchases)
- Review velocity: 8.7 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 1 months ago
- Last build shipped 1 months ago

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $2.0k |
| After VAT / sales tax (-13% blended) | $1.7k |
| After refunds (-9.5% median) | $1.6k |
| Net to developer (after Steam 30%) | $1.1k |

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

157, 123, 29, 49, 23, 8, 6, 12, 7, 16, 3, 6, 8

## 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/1257030
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.