Vault Code :
The code to unlock the vault is 1940 which is the year that Catwoman first 
appeared in the comics. This will unlock new galleries as well as a new comic book 
cover. 

Level 1: Dodging bullets:
While on the level 1, there will be a hail of bullets. To dodge them, hold L and run 
around. The chances of you getting hit will be decreased.

Kitty dance:
Allow the game to idle and Catwoman will do a dance. 

Midnight the cat:
When Catwoman comes across this little feline she is in luck. Finding Midnight 
gives Catwoman nine lives. 

Easter Egg: Cat Dance! 
Do not move and Catwoman will begin to undulate and dance.