Unlockable Characters:
Unlock the following characters by performing the corresponding tasks:
Excaliber – Beat Adventure mode. Start another Adventure mode session. After winning 49 battles, go to the cave where Excaliber is located. Battle 50 will now be available. Defeat Excaliber five consecutive times to unlock him.
Free – Beat Arcade mode to unlock Free.
Medusa – Beat Adventure mode with Maka to unlock Medusa.
Ox and Harvar – Beat Arcade mode to unlock Ox and Harvar.
Alternate costumes:
To unlock a character’s alternate costume, beat Arcade mode with that character. Then, select that character and press L Circle to use their alternate costume.