| dansk | dan-000 |
| Half-Life: Opposing Force | |
| català | cat-000 | Half-Life: Opposing Force |
| 普通话 | cmn-000 | 半条命:对立力量 |
| English | eng-000 | Half-Life: Opposing Force |
| suomi | fin-000 | Half-Life: Opposing Force |
| français | fra-000 | Half-Life: Opposing Force |
| magyar | hun-000 | Half-Life: Opposing Force |
| polski | pol-000 | Half-Life: Opposing Force |
| português | por-000 | Half-Life: Opposing Force |
| русский | rus-000 | Half-Life: Opposing Force |
| español | spa-000 | Half-Life: Opposing Force |
| svenska | swe-000 | Half-Life: Opposing Force |
| Türkçe | tur-000 | Half-Life: Opposing Force |