Defeating The Joker
When you fight the Joker rather than use a weapon use your fists and kneel When he summons lightning just step away from him Make sure you also follow him when he moves across the screen
Defeating The Jokers bodyguard
Use the Batarang and kneel but be sure you jump over his energy blast
Level 24 Avoiding damage
At the end of the second level if you destroy the two guns and the blue eye on the left side wait for the blue eye on the right side to shoot and then jump up and duck right next to it If you get close enough you will not get hit by the eye or the bullets Then jump up and punch it to death
Unlimited powerups
Locate the falling drop claws then crouch next to where they are landing Face the claws and repeatedly punch in this direction Each defeated claw will transform into a powerup Use the pattern that the claws are falling to collect the heart weapon bonus or extra points before returning into position to hit more claws