(download this if you have Half-Life) Half-Life: Opposing Force is the official game expansion for Half-Life. In Opposing Force (Op For), players return to the Black Mesa Research Facility to experience an entirely new episode of single-player action.
(download this if you don't have Half-Life) Half-Life: Opposing Force is the official game expansion for Half-Life. In Opposing Force (Op For), players return to the Black Mesa Research Facility to experience an entirely new episode of single-player actio
Добавить новость
