Pause game play and press R, Up, Left, Right, Left, L.

25 Tings:
Pause game play and press R, Up, Left, Right, Left, L. This code can be repeated as needed.

All Electoons:
Highlight a level at the map screen, then press Select + B + R, Select + B + R to get all the Electoons from that level.

Candy Chateau hidden level:
Collect all the Electoons in all levels.

In-game reset:
Hold Select + Start + A + B during game play.

Hint: Catching Electoons easily:
Place Rayman over an Electoon-populated stage. Hold Select and press B. All of the Electoons in the stage will be saved.