Unlimited health
Hold L + R and press Up, Right, Up, Left, Down, Left, Down, Right at the starting screen with Batman and Sin Tzu standing side by side. A message will appear to confirm correct code entry.
Making Of Sin Tzu
Defeat Sin Tzu at the end of the game.
All upgrades:
Hold L + R and press Down, Up, Down, Left, Down, Right, Up, Down at the starting screen with Batman and Sin Tzu standing side by side.
Alternate costume
Successfully complete the game under the easy difficulty setting.
Unlimited combo meter:
Hold L + R and press Left, Right, Down, Up(2), Down, Right, Left at the starting screen with Batman and Sin Tzu standing side by side.
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