Cheats for Wave Race: Blue Storm on GameCube.
From the Main Menu go to Options, then press Start, Z and X together to make a Password option appear. Enter one of the following codes at the Password screen to unlock the corresponding effect:
Unlock and play Championship Expert.
Ride on a dolphin in Free Roam mode.
Play Lost Temple Lagoon track, Time Attack Normal.
KTUPWNPD or 463YWNX3
Play Dolphin Park track, Stunt Mode Normal.
Play Lost Temple Lagoon track, Time Attack Hard.
Play La Razza Canal track, Time Attack Hard.
Play Southern Island track, Stunt Mode Expert.
Turn on insulting announcer:
From the Main Menu go to Options, then to Audio Settings. Press Z 3 times, or until the visualizer at the bottom of the screen changes to a purple rising fog pattern. Then enter the following button combination:
Up, Up, Down, Down, Left, Right, Left, Right, A, X, Z.
If entered correctly you will hear a sound. Now when you play as Ryota Hayami the phrases the announcer says will be changed to insults.