Half-Life: Opposing Force
| Use attributes for filter ! | |
| Initial release date | November 19, 1999 |
|---|---|
| Designers | Randy Pitchford |
| Engine | GoldSrc |
| Series | Half-Life |
| Developers | Valve Corporation |
| Gearbox Software, LLC | |
| Platforms | Microsoft Windows, Linux, Macintosh operating systems, macOS |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1177909 |
About Half-Life: Opposing Force
Half-Life: Opposing Force is an expansion pack for Valve Software's science fiction first-person shooter video game Half-Life. The game was developed by Gearbox Software and Valve Corporation and published by Sierra On-Line on November 19, 1999.
Half-Life: Opposing Force Photos
