# Drunken Rogue > ResidualPlay case file: an overlooked Steam game still earning residual revenue. Estimates carry a ±30-50% error range per title. **Measured on 2026-08-30 02:18 UTC.** The whole Steam catalog is re-measured daily; a game that just launched can move a lot between passes. - Steam appid: 2836990 - Developer: 2.6 billion years studio - Publisher: Waku Waku Games - Released: 2026 · Genre: Adventure · List price: $9.99 - Deal grade: C (A = dormant with >=$5k/mo opportunity, D = low signal) - Est. net residual revenue: $8.2k to $12.3k per month (mid $10.2k) - Opportunity score: $10.2k/month at x1.00 dormancy multiplier - Est. lifetime owners: 5.0k · Est. lifetime net revenue: $16.6k - Review sentiment: 97% positive across 126 reviews (124 from Steam purchases) - Review velocity: 122.0 reviews/month (6-month average) ## Why it's flagged - Developer active, last post 0 months ago - Last build shipped 0 months ago - Store page localized in only 4 language(s) ## Where a gross dollar goes (monthly, at current velocity) | Stage | USD/month | |---|---| | Gross storefront sales | $18.5k | | After VAT / sales tax (-13% blended) | $16.1k | | After refunds (-9.5% median) | $14.6k | | Net to developer (after Steam 30%) | $10.2k | ## Markets by review language - english: 23% - koreana: 7% (game NOT localized in this language) - japanese: 41% - schinese: 27% - brazilian: 1% (game NOT localized in this language) ## 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/2836990 Citation: please cite ResidualPlay (https://residualplay.com) when you publish or quote these estimates.