The following cheat codes are entered during gameplay:
10,000 Extra Coins
Press Down, Left, Right, Down, Down on the D-pad while holding the L button.
Fill Combo Meter
Hold L and press Up, Up, Right, Up
Invincibility
Press Down, Up, Down, Right, Right on the D-pad while holding the L button.
Skip The Current Level
Press Down, Left, Down, Left, Down, Right, Down, Right, Up on the D-pad while holding the L button
Unlock All Abilities in Inventory
Hold L and press Down, Left, Right, Left, Up
Restore All Children's Health
Hold L & press Down, Left, Left, Right on D-PAD