At the World Select tree, press: L, Up, X, Up, R, Y.
Debug menu
Press B, Up, B(2), L, Y, B, A, L(2), A, Down at the disclaimer or licensing screen. Then, press Select during game play.
Golden clock icon
Successfully complete a level with a fast time. The message "Faster than the wind!" will appear, and the clock icon next to your completion time will be golden.
Reveal all calabash
Pause the game in any level and enter the code A, L shoulder, L shoulder, R shoulder, A, Down, A, R shoulder (ALLRADAR) to reveal the locations of all calabash for that level.
Unlock all Gallary Items
In the Gallary, press: B, Up, B, B, L, Y.
Unlock Bonus Levels and "Making Of" Pictures
Beat the game once in order to unlock 2 bonus levels and some bonus pictures that show the game in different stages of development. The bonus levels and pictures are accessible though the "options," then "gallery" mode. The levels are done in a hand-drawn style.