# Half-Life 2

> 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**: 2004
- **Release date**: Nov 16, 2004
- **Platforms**: linux, windows
- **Genres**: Action
- **Launch price**: $9.99 USD
- **Steam reviews**: 198,592
- **Positive review %**: 98%
- **Steam app**: https://store.steampowered.com/app/220

## Developer
- **Studio**: [Valve](https://indielist.games/studios/valve)

## Publisher
- **Name**: [Valve](https://indielist.games/publishers/valve)

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

- **Units (median)**: 16,880,320 (range 10,128,192 – 23,632,448)
- **Net revenue (median)**: $96,323,967 USD
- **Boxleiter NB used**: 85
- **Algorithm version**: v1.0

### NB breakdown
- `base`: +50
- `year_2004`: +30
- `price_$10`: -5
- `positive_98%`: +10

---
Source: indielist (https://indielist.games/games/half-life-2-220)
Estimates are not official sales data. Methodology: docs/sales-algorithm.md. Always verify large numbers with official sources before citing.