Cheat List
'When press start' appears in the Title screen press and hold L + R and enter the following:
All Rewards:
Left, Down, Left, Right, Left, Left, Down, Right
All Upgrades:
Down, Up, Down, Left, Down, Right, Up, Down

Dark Knight Difficulty:
Right, Up, Up, Right, Left, Down, Right, Up

Unlimited Combo:
Left, Right, Down, Up, Up, Down, Right, Left
Unlimited Health:
Up, Right, Up, Left, Down, Left, Down, Right