Soul Bubbles Cheats for Nintendo DS
If you want to unlock ALL the levels without having to play through the game then press L, Up, X, Up, R, Y at the 'World Select Tree'.
If you press B, Up, B, B, L, Y when you are at the Gallery ALL the items there will become unlocked.
During gameplay in any level pause the game and enter the code A, Left shoulder button, Left shoulder button, Right shoulder button, A, Down, A, Right shoulder button (ALLRADAR) to reveal the locations of ALL calabash that are in that level.
Complete the game and you will unlock two extra bonus levels and some artwork. If you go to options then gallery you should be able to see the images.