Cheat mode:
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Press Left, Up, Left(2), A, B, Y at the game start
screen. Change the game type to normal mode and
press Start. Choose a character and press Start
to display the cheat mode screen. This screen allows
stage selection, access to all weapons, and control
of the Riddler in the practice mode.
Kill all enemies:
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Enable the "Cheat mode" code. Press Start + L + R
during game play to kill all normal enemies. Press
this sequence multiple times to kill the Boss
characters.
