Dodging bullets in Level 1 - While on the level 1, there will be a hail of bullets. To dodge the bullets you need to roll. To do this, hold L while running around, then press R to roll. You can also roll to break some objects.
Finding Cat Eyes - If you have problems finding Cat Eyes, press Y to use your cat vision. Some of them are hidden behind posters and other objects.
Kitty dance - Allow the game to idle and Catwoman will do a dance.
Midnight the cat - Find Midnight the cat to get nine extra lives.
Special Edition mode - Enter "1940" as a Vault code. All galleries will be unlocked and the comic will have new changes.