Enter the options menu and press Start + Z + X to unlock a "Password" option. Use this option to enter passwords to compete in official time attack challenges.

At the character selection screen, highlight a character and press Z to display a screen where you can alternate their costume color and more.

While a track loads, press the Left Analog-stick to control the water.

When "Start" appears on the title screen, press the Left Analog-stick to move it on the water.

Successfully complete championship mode on the normal difficulty setting to unlock the Cool Ocean track.

Successfully complete championship mode on the hard difficulty setting to unlock the Aqua Maze track.

Successfully complete championship mode on the expert difficulty setting to unlock the Victory Gate track.

Successfully complete the expert championship in first, second, or third place to respectively unlock the weather conditions in time trial mode under the expert, hard, or normal difficulties.

Enter training mode and complete all training objectives under the beginner and master settings to unlock a "Try!" option under training mode. This mode is a stunt variation of Dolphin Park.

At the start of a race, press A right before the announcer says "Go" and the light turns green to get a quick start and a turbo.