Ooh, I've got zombie fever. Just watched the penultimate episode of Dead Set, packing to head off to Valve to play Left 4 Dead, and of course that my parents are half zombie. So get yourself in a similar mood with the opening movie of Left 4 Dead, released into the wild today.

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What a bloody brilliant intro video. And while it's obviously seen in first person, without the super-sleek direction, this really is how the game plays. That crying... Oh God, that crying. It's so damned sinister.