Game · 1999
Half-Life: Opposing Force
November 19, 1999Released
Gearbox SoftwareDeveloper
Facts
- Released
- November 19, 1999
- Developer
- Gearbox Software
- Engine
- GoldSrc
- Platforms
- Microsoft Windows, macOS, Linux
- Game modes
- single-player video game, multiplayer video game
- Country of origin
- United States
Sources: Wikidata (CC0) · Wikidata Q693937