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It is, however, infamous for its severely protracted development schedule and is often declared either "the longest game ever in production or an elaborate in-joke at the expense of the industry".[5] DNF was officially first announced in April 1997, and promotional information for the game was released in one form or another in 1997, 1998, 1999, 2001, 2007, and, most recently, in December 2008.