During gameplay, pause the game and hold R while entering these cheats. Note: they must be entered quickly; entering them again toggles the cheat off.:

• Down, Down, Down, Up - Freeze enemies
• Left, Right, Left, Right - Shadow Crash
• Up, Down, Down, Up - Enemies drop purple fruit
• Up, Right, Down, Left - Enemies drop shoes
• Up, Up, Up, Left - Enemies drop boxing gloves
• Right, Right, Right, Up - Enemies drop Wumpa Fruit
• Left, Left, Left, Down - Warped Crash