Tecmo has sued users of an Internet message board devoted to hacking into popular games, including its "Ninja Gaiden" and "Dead or Alive," to change their codes, the publisher said on Wednesday.
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The lawsuit, filed in a federal court in Chicago, accuses Web site administrators Mike Greiling of Eden Prairie, Minn., Will Glynn of Davie, Fla., and others of knowingly infringing on Tecmo's proprietary software for the games, which run on Microsoft's Xbox game system.
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Greiling could not be located for comment, and Glynn was not immediately available. The site in question is www.ninjahacker.net.