During the game press.

Back, Up, Left, L, Up, Left, and L
All goals completed

Back, Up, Down, Left, Right, Down, Left
Alternate Colors

Back (4x)
Deactivate All Cheats

Back, Up, Down, Left, Right, Down, Right
Disco Lights

Back, Up, Down, Left, Right, Right, Left
Easy Floating

Back, Up, Down, Left, Right, Down, and Down Faster paddling (during gameplay you must hold
the right analog stick to use the faster paddling cheat)

Back, Up, Down, Left, Right, Down, Up
Full Special Bar

Back, Up, Down, Left, Right, Up, Right
Get Rid of HUD

Back, Up, Down, Left, Right, Up, Left
Green Water

Back, Up, Down, Left, Right, Left, Down
Invisible Surfboard

Back, Up, Down, Left, Right, Left, Up
Invisible Surfer

Back, Down, Right, Left, L, Down, Right, Left, and L
Level Select

Back, Up, Down, Left, Right, Left, Up
Magic Surfboard

Back, Up, Up, Down, Down, Left, Left, Right, Right, Up, Left, Down, Right, Up, Up, and L Master Code

Back, Up, Down, Left, Right, Right, and Left Perfect Balance

Back, Up, Down, Left, Right, Down, Left
Purple Haze

Back, Up, Down, Left, Right, Right, Down
Shark Surfing

Back, Up, Down, Left, Right, Down, Down
Speed Paddle

During gameplay, press Back, Up, Down, Left, Right, Left, Up.

Purple Haze (psychadelic environment)
Enter anytime during level using the directional pad, not analog:
BACK Button, Up, Down, Left, Right, Down, Left

Enter the following code during play:

Back button, Up, Down, Left, Right, Up, Right

To paddle faster press Back, up, down, left, right, down, down(on D-Pad).

To turn off all cheats during game play hit the Back button 4 times.