Before the "Access denied" message appears, press A, B, X, Y, X, Y.
Full life
While playing a game, tap R repeatedly.
Kaleidoscope textures
Press Down, A, Down, B, A, Y, X, X.
Rayman VMS icon
Press Up, X, Y, Down, Y, X, Left, Right.
Hidden passage
Press A, B, X, Y, X, Y in Morb_20.
Get To Globox Village
You must first get the power up that allows you to swing from purple lums. Then go back to the first level and enter the part where you have to climb. When you reach the top, swing by the lum and you will be able to get to the village. Here you can place crystals to unlock extra features in the game.
Globox Disc access, multiplayer
At the main menu, hold L + R and press B, B, B, B.