Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named Game of the Year by the Academy of Interactive Arts and Sciences.
FEATURES: • Walkthrough Videos • Read character bios • Guide on every level • Cheats and tricks in level • How to get through Challenge Modes • Manual Game Guide • Trailer Videos • And many more
Download This Game Cheats Guide for the Half-Life: Opposing Force app now!