# Concubine

> Probable indie-scope game profile, served by indielist (https://indielist.games). Sales estimate uses a transparent Boxleiter-derived heuristic; its fixed display range is not a statistically validated confidence interval.

## Snapshot
- **Indie scope**: probable
- **Classification reason**: steam_store_genre:Indie
- **Classification evidence**: https://store.steampowered.com/app/2426120/
- **Primary genre**: Action
- **Release year**: 2025
- **Release date**: Oct 13, 2025
- **Platforms**: windows
- **Genres**: Action, Adventure, Indie, RPG, Early Access
- **Launch price**: $14.99 USD
- **Steam reviews**: 449
- **Positive review %**: 83%
- **Steam app**: https://store.steampowered.com/app/2426120

## Developer
- **Studio**: [Upgrade Entertainment](https://indielist.games/studios/upgrade-entertainment)

## Publisher
- **Name**: [Upgrade Entertainment](https://indielist.games/publishers/upgrade-entertainment)

## Sales estimate (white-box, version v1.0)

- **Units (median)**: 17,960 (range 10,776 – 25,144)
- **Net revenue (median)**: $153,779 USD
- **Boxleiter NB used**: 40
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2025`: -10
- `price_$15`: 0
- `positive_83%`: 0

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Source: indielist (https://indielist.games/games/concubine-2426120)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.