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, produced by Sonic Team and developed by Alfa System.
"Phantasy Star Portable" is based on Phantasy Star Universe and its latest expansion, Ambition of the Illuminus. The PSP title includes an all-new story mode with added missions and a multi-player mode that supports local multiplayer cooperative play with up to four players. Two new characters have been introduced since Phantasy Star Universe: Vivienne, a CAST whom the main character teams up with throughout the story. Also new to the PSP version is Helga Neumann, a villain who is responsible for terrorist attacks in the Gurhal System.