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.
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. A message will appear to confirm correct
code entry.
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. A message will appear to confirm correct
code entry.
All bonuses:
Hold L + R and press Left, Down, Left, Right, Left(2), Down, Right at the starting screen
with Batman and Sin Tzu standing side by side. A message will appear to confirm correct
code entry.
Dark Knight difficulty setting:
Hold L + R and press Right, Up(2), Right, Left, Down, Right, Up 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.
Alternate costume:
Successfully complete the game under the easy difficulty setting.
