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.
Guides
Half-Life: Opposing Force – How to Get the MP5 or SPAS-12 Before Getting the Wrench
If you are planning on playing opposing force, but would like to start with a little more fire power than a wrench, this guide is for you. Guide to Get […]