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Valve Part 5: Game Changer (1x21)

Data di messa in onda: Nov 19, 2009

From Half-Life to Left 4 Dead 2, Valve has been one of the trailblazers in the video game industry. In this fifth episode of our retrospective, watch and see how Valve shook up the typical game production cycle by first releasing the short and quick Episode One, and then delivered the deal of the century with The Orange Box.