However, because material resources in the Gurhal galaxy have been depleted, the Gurhalians plan to migrate using technology based on "sub-space sailing theory".

The player character is a member of Little Wing, a private mercenary group on the space colony resort of Clad 6.

[1] Players are able to transfer over their character from Phantasy Star Portable to the game.

As a bonus for having done so, however, players acquire a photon saber that is named "Exam", as well as one of four armor units depending on the class that they have chosen.

[3] The game contains a new character named Nagisa (Voiced by: Nana Mizuki), and the addition of a fifth race, S.E.E.D infected humans called Dumans.