# Mythos, Book One

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

- Steam appid: 3213410
- Developer: Nine of Swords Studios
- Released: 2025 · Genre: Indie · List price: $12.99
- Deal grade: D (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $290 to $436 per month (mid $363)
- Opportunity score: $363/month at x1.00 dormancy multiplier
- Est. lifetime owners: 2.1k · Est. lifetime net revenue: $9.3k
- Review sentiment: 84% positive across 70 reviews (67 from Steam purchases)
- Review velocity: 3.3 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 0 months ago
- Last build shipped 13 months ago
- Store page localized in only 2 language(s)

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $659 |
| After VAT / sales tax (-13% blended) | $573 |
| After refunds (-9.5% median) | $519 |
| Net to developer (after Steam 30%) | $363 |

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

26, 12, 3, 4, 1, 2, 3, 2, 3, 6, 4

## Markets by review language

- koreana: 2% (game NOT localized in this language)
- russian: 2% (game NOT localized in this language)
- schinese: 5% (game NOT localized in this language)
- brazilian: 2% (game NOT localized in this language)
- french: 11%
- german: 2% (game NOT localized in this language)
- english: 77%

Localization gap: 11% of measured reviews are written in languages the game does not support (top: schinese). Localizing is likely immediate market expansion.

## 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/3213410
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.