Duke Nukem Forever (DNF) is a first-person shooter video game being developed by 3D Realms, and is the next game in the Duke Nukem series. It is famous for its protracted development schedule, which began in April 1997. The game has been hindered by poor management, several internal rewrites, as well as engine technology restarts. Promotional information has been released in 1998, 2001, and most recently in December 2007. On February 6, 2008 it was confirmed by 3D Realms that the game will be released in Q4 2008 for PC, Xbox 360 and PlayStation 3.