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'The Tetris Effect' unveils the shady details behind the classic game (Open_Tab)

Plus, enter our contest for a chance to win a signed copy of "The Tetris Effect."

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You didn't think Tetris was just about blocks, did you? CNET's Dan Ackerman visits the Open_Tab show with Jeff Bakalar and Alfred Ng to discuss his new book, "The Tetris Effect," which spotlights the winners and losers behind the classic game.

Want to dive even further into the dark history of Tetris? Follow @CNETOpenTab on Twitter for a chance to win a signed copy of "The Tetris Effect" by clicking this link and following our account. No purchase necessary. For legal residents of US that are 18 or older. Void in Puerto Rico and all other US Territories, Possessions, and where prohibited. Sweepstakes ends on 9/30. Official rules can be found at

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