Responding quickly, the United States military operation start massive “cleaning” to remove the alien presence in the Black Mesa and “mute” any witness. Scientists and security guards who survive struggling to escape. In the original Half-Life, a “cascade resonance” opens a dimensional rift, which causes alien Xen teleport Black Mesa. In this title embody the Cape Shepard, a member of the US Marines in the unit known as HECU (Hazardous Environment Combat Unit) with the aim of eliminating all Xenianos (Aliens) who get in your way, eliminate all people to “silence” what happened at Black Mesa, (by order of the government) and main objective is to kill Gordon Freeman, who in self – defense killed the soldiers who have crossed his path.Ĭorporal Adrian Shepard have a new arsenal of weapons to capture Gordon Freeman, and similarly this will be observed by a mysterious figure called G-Man.

It can also be considered as in Half-Life: Blue Shift, develops during the adventures experiencedthe protagonist of the saga Gordon Freeman. Ifpay attention to Half-Life and Opposing Force, the latter could be considered a spin-off of the first. Half Life: Opposing Force is a video-game first – person shooter created by Gearbox Software and is one of the few official expansions that continue the storyline of the game Half-Life.

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