# Rock Island

> 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/3561030/
- **Primary genre**: Casual
- **Release year**: 2026
- **Release date**: May 28, 2026
- **Platforms**: windows
- **Genres**: Casual, Indie, Strategy
- **Launch price**: $5.99 USD
- **Steam reviews**: 272
- **Positive review %**: 68%
- **Steam app**: https://store.steampowered.com/app/3561030

## Developer
- **Studio**: [Silence Moon](https://indielist.games/studios/silence-moon)

## Publisher
- **Name**: [Silence Moon](https://indielist.games/publishers/silence-moon)

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

- **Units (median)**: 4,080 (range 2,448 – 5,712)
- **Net revenue (median)**: $13,960 USD
- **Boxleiter NB used**: 15
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2026`: -10
- `price_$6`: -5
- `positive_68%`: -10
- `genre_Casual`: -15

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Source: indielist (https://indielist.games/games/rock-island-3561030)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.