Quoted: The next addition to the Grand Theft Auto game series, part IV, was announced on May 9th, 2006, with a teaser trailer release (official site @ Rockstar) on March 29, 2007. The game was originally planned for release on October 16, 2007 for the XBOX 360 and Playstation 3, simultaneously - but that date has been pushed back to the April 29, 2008. There is currently no mentioning of the PC release date of GTA 4.