# Zup! 4

> 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/591420/
- **Primary genre**: Casual
- **Release year**: 2017
- **Release date**: Feb 20, 2017
- **Platforms**: windows
- **Genres**: Casual, Indie
- **Launch price**: $1.99 USD
- **Steam reviews**: 2,940
- **Positive review %**: 90%
- **Steam app**: https://store.steampowered.com/app/591420

## Developer
- **Studio**: [Quiet River](https://indielist.games/studios/quiet-river)

## Publisher
- **Name**: [Quiet River](https://indielist.games/publishers/quiet-river)

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

- **Units (median)**: 161,700 (range 97,020 – 226,380)
- **Net revenue (median)**: $183,802 USD
- **Boxleiter NB used**: 55
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2017`: +30
- `price_$2`: -20
- `positive_90%`: +10
- `genre_Casual`: -15

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Source: indielist (https://indielist.games/games/zup-4-591420)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.