Press Start to pause game play. Then, hold L + R and use one of the following cheat codes:

Code - Effect

Up(2), Down(2) - 20 shields
Left, Right, Left, Right - 35 random boosts
Left, Down, Right, Up, Left, Down, Right, Up - Invincibility
Right, Down, Right, Down - Maximum abilities
Right Down Left Up - Purchase all Heroes
Left Up Right Down - Take less damage than usual
Down, Down, Right, Right, Up, Up, Left, Left - Unlimited Energy
Down(2), Right(2), Up(2), Left(2) - Unlimited Superpower
Down, Left, Up, Right - Unlock all costumes
Down Right Down Left - Unlocks all cinematic scenes
Down, Left, Up, Right - Unlocks Everything