Groove Adventure Rave - Fighting Live cheats and cheat codes for Gamecube

Play as Reina in free and versus modes:
Go to "Press Start Button" sceen and press the following button combination:
Press Up, Up, Down, Down, Left, Right, Left, Right, B, A 

Unlock Outlaw:
Finish free mode in a 2-on-1 setting as Aniki in hard mode.

Unlock Aniki in free and versus modes:
Finish story mode as Musica

Unlock Beast King:
Finish story mode as Haru in hard mode without using a 
single continues, then beat the Beast King.

Unlock Sieghart in free and versus modes:
Finish story mode as Go

Unlock Gale in free and versus modes:
Finish story mode as Shuda

Unlock King in free and versus modes:
Finish story mode as Haru

Unlock Poosya in free and versus modes:
Finish story mode as Elie

Fight against 2 mode:
Finish story mode with all five starting characters.

Fight against 3 mode:
Unlock Outlaw and Beast King.

Story edit mode:
Finish story mode as Musica, Shuda, Elie, Haru, and Go.

Character gallery:
Finish story or free modes with different fighters

Voice tests:
Finish story mode with different characters

Finish free mode as any character
Go to "Omake 1" at the "EX Options" screen to set it up.

Change costumes:
Finish 3-on-1 free mode as Haru, Elie, or Musica in hard mode.
Choose any game mode (story, free, VS), then hold L + R while 
selecting that same character. Keep the buttons held 
until the match begins.