Desktop Tower Defense (DTD) is a Flash-based browser game of the tower defense game genre created by first-time game designer Paul Preece in March 2007. The game had been played over 15.7 million times as of July 2007, and was one of Webware 100's top ten entertainment web applications of 2007. DTD is available in an English, Spanish, German, French, or Italian interface. As of May 2009, a commercial Nintendo DS version exists and is heavily based on the flash game.
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