Half-Life: Opposing Force | 1999 |
| Part of series Half-Life | |
| Released for consoles: PC | |
| Type: Additional content | |
Other games in series | |||
| Name | Year | Series | Consoles |
|---|---|---|---|
| Half-Life | 1998 | Half-Life | PC, Playstation 2 |
| Half-Life: Blue Shift | 2001 | Half-Life | PC |
| Half-Life 2 | 2004 | Half-Life | PC, Xbox, Xbox 360, Playstation 3 |
| Half-Life 2: Episode One | 2006 | Half-Life | PC, Xbox 360, Playstation 3 |
| Half-Life 2: Episode Two | 2007 | Half-Life | PC, Xbox 360, Playstation 3 |