Fight as Sprites:
Highlight Load-Ran at the character selection screen. Then, press Up(4), A.

Fight as Memory:
Highlight Load-Ran at the character selection screen. Then, press Down(4), A.

Fight as Mevious:
Highlight Mevious at the character selection screen. Then, press Up(4), A.

Fight as Dark-Ran:
Highlight Mevious at the character selection screen. Then, press Down(4), A.

Shiriochi mode:
Complete the game one time.

Karaoke mode:
Complete the game under Saturn mode. A "Star Concert" option will appear when using the data CD.

Alternate ADK costume:
Change the Saturn's system date to December 25.