GRAPEVINE, Texas--(BUSINESS WIRE)--GameStop Corp. (NYSE: GME) today announced the successful completion of its acquisition of Geeknet through a tender offer (the "Offer") to purchase all outstanding shares of Geeknet, Inc. (formerly NASDAQ: GKNT) for $20.00 per share in cash, without interest thereon and less any applicable withholding taxes (the "Offer Price"). Following the completion of the Offer to purchase all outstanding shares of Geeknet for the Offer Price, GameStop acquired all remaini