HALF-LIFE 2 [PC Game]

Half-Life 2 continues the story of Gordon Freeman, the scientist-turned-marine who managed to escape from the Black Mesa Research Facility in Half-Life. In Half-Life 2, Gordon has accepted the G-Man's "offer" and become a government agent on Earth. However, the Xen aliens, Combine soldiers, headcrabs, "ant lions," and other enemies threaten everything.