Wave Race: Blue Storm
Control Water on Load Screen
While the load screen is appearing press the Left Analog Stick.

Get Ocean Track
Finish the game using the normal difficulty setting in championship mode.

Get Victory Gate Track
Finish the game using the expert difficulty setting in championship mode.

Get Aqua Maze Track
Finish the game using the hard difficulty setting in championship mode.

Get Tournament Mode
Go to the options menu and press X + Z + Start to get a password option. Now passwords for time tournaments can be entered.

Get New Costumes
After highlighting a racer press Z at the character select screen.

Pick the Type of Weather
Finish the game using expert championship mode and get 1st, 2nd or 3rd place to get weather in Time Trial

Get Fast Start
Press A right before the Go appears.

Get Try Mode
Finish training mode using the beginner and master difficulty setting then you will get the try option in training menu.

Time Attack Tournament Mode
Press X + Z + Start at the options menu to unlock the "Password" selection. Passwords for various time attack tournaments may now be entered.

Get Southern Island Stunt Track
Enter WCX5WP5A as the password.

Ethnic Lagoon on Normal Mode - Time Attack
Enter J784WMHF as the password to unlock Ethnic Lagoon in time attack mode.

La Razza Canal Time Attack Track
Enter MJV8LKL6 as the password to unlock La Razza Canal in hard difficulty setting under time attack mode.

Dolphin Park Stunt Track
Enter 463YWNX3 as the password to unlock Dolphin Park in normal stunt mode. Alternate password is KTUPWNPD.

All Sea-Doos
A,B,C left,C Right,C Up,B,R

Reset Game Without Getting Up
To reset the game without getting up and hitting the reset button, press B, X, and Start at the same time and hold them for two seconds.

Ride a Dolphin in Free Roam
While in password mode (Hold X,Z,and start at the same time in options mode), enter the code DLPHNMOD.