# Letter Lost

> 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/3624790/
- **Primary genre**: Adventure
- **Release year**: 2026
- **Release date**: Jun 10, 2026
- **Platforms**: linux, windows
- **Genres**: Adventure, Indie
- **Launch price**: $19.99 USD
- **Steam reviews**: 152
- **Positive review %**: 85%
- **Steam app**: https://store.steampowered.com/app/3624790

## Developer
- **Studio**: [FlatNine Games](https://indielist.games/studios/flatnine-games)

## Publisher
- **Name**: [FlatNine Games](https://indielist.games/publishers/flatnine-games)

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

- **Units (median)**: 9,120 (range 5,472 – 12,768)
- **Net revenue (median)**: $104,135 USD
- **Boxleiter NB used**: 60
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2026`: -10
- `price_$20`: 0
- `positive_85%`: +10
- `genre_Adventure`: +10

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Source: indielist (https://indielist.games/games/letter-lost-3624790)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.