# I'm Not Sex King > ResidualPlay case file: an overlooked Steam game still earning residual revenue. Estimates carry a ±30-50% error range per title. **Measured on 2026-09-12 22:31 UTC.** The whole Steam catalog is re-measured daily; a game that just launched can move a lot between passes. - Steam appid: 4728830 - Developer: Sex King - Publisher: 2R LTD - Released: 2026 · Genre: Adventure · List price: $10.99 - Deal grade: C (A = dormant with >=$5k/mo opportunity, D = low signal) - Est. net residual revenue: $8.6k to $12.9k per month (mid $10.8k) - Opportunity score: $10.8k/month at x1.00 dormancy multiplier - Est. lifetime owners: 4.8k · Est. lifetime net revenue: $17.5k - Review sentiment: 84% positive across 122 reviews (119 from Steam purchases) - Review velocity: 117.0 reviews/month (6-month average) ## Why it's flagged - Developer active, last post 0 months ago - Last build shipped 0 months ago ## Where a gross dollar goes (monthly, at current velocity) | Stage | USD/month | |---|---| | Gross storefront sales | $19.6k | | After VAT / sales tax (-13% blended) | $17.1k | | After refunds (-9.5% median) | $15.4k | | Net to developer (after Steam 30%) | $10.8k | ## Markets by review language - english: 64% - koreana: 3% (game NOT localized in this language) - russian: 12% - spanish: 1% (game NOT localized in this language) - schinese: 20% ## Analyst notes (AI-assisted) _Note written 2026-09-12 from that day's data; the figures in the header are live and supersede any numbers here._ A pixel-art turn-based RPG with adult content, romance mechanics, and surprisingly substantive combat that has generated strong early word-of-mouth on a modest budget. I'm Not Sex King landed in early 2026 with a provocative title, AI-assisted art, and a genuine game underneath the premise. The 92.6% recent sentiment, mid-four-figure monthly residuals, and zero discount history over four years suggest a title that found its niche audience organically and continues to convert new players. This is not a breakout title, but it is a profitable, quietly sustainable one; the opportunity lies in whether a publisher or acquirer can expand that audience through localization, visibility, or sequel investment without losing the irreverent tone that built the initial goodwill. - Most realistic play: watch - Risk (market): Adult content and AI-art flagging may limit platform visibility, mainstream media coverage, and corporate partnership interest despite strong player satisfaction. - Risk (tech): AI-generated character art is visually acceptable to players today but may become a liability if community sentiment shifts or if legal challenges to AI training data reshape platform policy. - Risk (other): Developer Sex King is a one-title studio with minimal public presence; no path to sequel or IP expansion is evident. What players are asking for: - Expanded character roster and romance storylines - Combat system depth and difficulty scaling - More substantive quest variety beyond fetch loops - Console or mobile port Suggested first moves: 1. Audit the player retention cohort monthly and map which story content drives longest median session. Use this to brief a potential localization partner on which expansions would pay fastest. 2. Negotiate a soft exclusivity or co-marketing arrangement with a distributor or publisher in key regions (China, Korea, Russia show strong review volume) to test whether paid discovery can move the needle without cannibalizing organic sales. 3. If acquiring: retain the original developer, ring-fence the IP, and evaluate a prequel or spin-off with a lower-gravity premise to test whether the combat and progression loop (separate from the adult framing) can sustain a second product. Generated 2026-09-12 from public signals and player reviews. Directional, not diligence. ## 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/4728830 Citation: please cite ResidualPlay (https://residualplay.com) when you publish or quote these estimates.