The audience favorite, however, was Steve Meretzky's "Bac Attack, " which would let human players combat armies of bacteria via a microscope-equipped "TrayStation" gaming device.

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That is, if Steve Meretzky's game-hardened super-bacteria don't kill us first.

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Steve Meretzky thinks so.

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The winner, however, was Steve Meretzky, developer of Zoo Tycoon, whose concept game Bac Attack pits players armed with light and radiation against a bacterial colony in a petri dish -- when the player is inevitably overwhelmed by the bacteria, Steve suggests calling the government to arrange a sale.

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