PlayTM: Games of the Decade (part two)

PlayTM writes: "Proving beyond any shadow of a doubt that first-person shooters don't have to be run-and-gun exercises in mind-melting linearity, Valve's genius pocket-sized puzzler came from gaming's shadowy left field and, in one stroke, completely dismantled the dullard corridor-to-corridor mechanic (ab)used for so long by the largely unimaginative FPS genre."

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