Fight as Sprites
Highlight Load-Ran at the character selection screen. Then, press [Up]x4, [A].
Fight as Memory
Highlight Load-Ran at the character selection screen. Then, press [Down]x4, [A].
Fight as Mevious
Highlight Mevious at the character selection screen. Then, press [Up]x4, [A].
Fight as Dark-Ran
Highlight Mevious at the character selection screen. Then, press [Down]x4, [A].
Shiriochi mode
Complete the game one time.
Alternate ADK costume
Change the system system date to December 25.