Named Game of the Year by over 50 publications, Valve's début title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
A highly unique Half-Life 5-map pack in the vein of Quake and Quake2. War criminal Mel Soaring has discovered an asteroid floating near his home planet with an alien structure built on the surface. But as you explore this palace it soon becomes apparent that it's not empty and offers a hefty punch.