Midnight the Cat
Find Midnight the cat for nine lives.
100% success rate. 

Vault Code
Enter "1940" (the year Catwoman first appeared in comics) as a Vault code to unlock a selection of bonuses.
100% success rate. 

Special Edition Mode
Input 1940 as a Vault code.

Dancing Catwoman
Allow the game to go idle and Catwoman will do a dance.

Midnight the Cat
Finding Midnight the Cat gives Catwoman nine lives.

Go to: Catwoman Info Page | nGaming Home Page.