# The Binding of Isaac: Afterbirth

> Indie game profile, served by indielist (https://indielist.games). Sales estimate uses the white-box Boxleiter algorithm; numbers are approximate (±50%).

## Snapshot
- **Primary genre**: Action
- **Release year**: 2015
- **Release date**: Oct 30, 2015
- **Platforms**: linux, mac, windows
- **Tags**: Replay Value, Difficult, Indie, Rogue-like, Great Soundtrack, Dungeon Crawler, Singleplayer, Dark
- **Launch price**: $10.99 USD
- **Steam reviews**: 8,067
- **Positive review %**: 93%
- **Steam app**: https://store.steampowered.com/app/401920

## Developer
- **Studio**: [Nicalis, Inc.](https://indielist.games/studios/nicalis-inc)

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

- **Units (median)**: 726,030 (range 435,618 – 1,016,442)
- **Net revenue (median)**: $4,557,645 USD
- **Boxleiter NB used**: 90
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2015`: +30
- `price_$11`: 0
- `positive_93%`: +10

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Source: indielist (https://indielist.games/games/the-binding-of-isaac-afterbirth-401920)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.