To enable the cheat menu, start a new game, kill a few enemies then lose all your lives. When at the high score screen, enter "HELLO MURRAY " as your name. When the game restarts, you will have a new option to select a level and view cut-scenes.
Passwords
Sink your claws into the game with these passwords.
Level Password
2 Mariko
3 Silver Fox
4 Department H
5 Madripoor
6 Asano
7 The Hudsons