Phantasy Star Portable (ファンタシースターポータブル) is a video game for the PlayStation Portable, developed by Sonic Team and Alfa System, and published by Sega. It was released for the PlayStation Portable in Japan on July 31, 2008, in North America on March 3, 2009 and in Europe on April 3, 2009."Phantasy Star Portable" is based on Phantasy Star Universe and its latest expansion, Ambition of the Illuminus.