# OPUS: Echo of Starsong - Full Bloom Edition

> 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/1504500/
- **Primary genre**: Adventure
- **Release year**: 2021
- **Release date**: Aug 31, 2021
- **Platforms**: mac, windows
- **Genres**: Adventure, Indie
- **Launch price**: $24.99 USD
- **Steam reviews**: 9,367
- **Positive review %**: 96%
- **Steam app**: https://store.steampowered.com/app/1504500

## Developer
- **Studio**: [SIGONO INC.](https://indielist.games/studios/sigono-inc)

## Publisher
- **Name**: [SIGONO INC.](https://indielist.games/publishers/sigono-inc)

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

- **Units (median)**: 843,030 (range 505,818 – 1,180,242)
- **Net revenue (median)**: $12,033,653 USD
- **Boxleiter NB used**: 90
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2021`: +15
- `price_$25`: +5
- `positive_96%`: +10
- `genre_Adventure`: +10

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Source: indielist (https://indielist.games/games/opus-echo-of-starsong-full-bloom-edition-1504500)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.