# Helen's Mysterious Castle

> 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/418190/
- **Primary genre**: Casual
- **Release year**: 2016
- **Release date**: Mar 18, 2016
- **Platforms**: windows
- **Genres**: Casual, Indie, RPG
- **Launch price**: $1.99 USD
- **Steam reviews**: 892
- **Positive review %**: 93%
- **Steam app**: https://store.steampowered.com/app/418190

## Developer
- **Studio**: [Satsu](https://indielist.games/studios/satsu)

## Publisher
- **Name**: [PLAYISM](https://indielist.games/publishers/playism)

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

- **Units (median)**: 49,060 (range 29,436 – 68,684)
- **Net revenue (median)**: $55,766 USD
- **Boxleiter NB used**: 55
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2016`: +30
- `price_$2`: -20
- `positive_93%`: +10
- `genre_Casual`: -15

---
Source: indielist (https://indielist.games/games/helen-s-mysterious-castle-418190)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.
