# Nursery Slime > ResidualPlay case file: an overlooked Steam game still earning residual revenue. Estimates carry a ±30-50% error range per title. **Measured on 2026-09-19 01:47 UTC.** The whole Steam catalog is re-measured daily; a game that just launched can move a lot between passes. - Steam appid: 1648560 - Developer: Doubles Core - Publisher: OTAKU Plan - Released: 2021 · Genre: Adventure · List price: $13.99 - Deal grade: C (A = dormant with >=$5k/mo opportunity, D = low signal) - Est. net residual revenue: $159 to $239 per month (mid $199) - Opportunity score: $299/month at x1.50 dormancy multiplier - Est. lifetime owners: 7.1k · Est. lifetime net revenue: $24.8k - Review sentiment: 87% positive across 195 reviews (178 from Steam purchases) - Review velocity: 2.3 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 5.0 years ago - Store page localized in only 3 language(s) ## Where a gross dollar goes (monthly, at current velocity) | Stage | USD/month | |---|---| | Gross storefront sales | $361 | | After VAT / sales tax (-13% blended) | $314 | | After refunds (-9.5% median) | $284 | | Net to developer (after Steam 30%) | $199 | ## Monthly review counts, oldest to newest (24 months) 1, 3, 3, 2, 1, 8, 1, 7, 3, 0, 3, 1, 4, 5, 1, 1, 2, 1, 1, 3, 2, 3, 1, 4 ## Methodology Units are estimated from Steam-purchase reviews times a release-cohort multiplier, 40-75x by year. Cohorts from 2020 on are calibrated against 182 sales milestones announced by developers; older ones follow the published Boxleiter tables. 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/1648560 Citation: please cite ResidualPlay (https://residualplay.com) when you publish or quote these estimates.