Infinite Batarangs And Electric Batarangs
At the main menu, press L, R, B, White, L. If you entered the code correctly, you
will hear a sound.
Unlock All Cheats
At the main screen, press L, R, L, R, X, X, Y, Y
to unlock all the cheats. You will hear a sound
if you entered it correctly. The cheats are
available in the pause menu during the game.
Such cheats include infinite ammo and health.