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.
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Alpha Research Facility V. 0.3: -Scientist and Barney for your self; -Enemy Hard; -Weapon Much Potent; -Map correct.
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Sierra EntertainmentEngine
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