All Weapons: 
To use any of the One's impressive aresenal of weapons, enter the password "Maxpower". 

Cheat Mode:
To enter the cheat code screen enter the password "Heybuddy" and the cheat code screen will
appear. This screen lets you choose what level you wish to start at, where in the level, infinite
health, and all weapons. 

Debug Mode:
To access the Debug Mode, first enter the password HEYBUDDY in at the password screen. A
new menu will pop up allowing you to select any stage, any area, turn invincibility on or off, and
enable all weapons. 

Level Select:
To start on any level, enter the password "Hevyfeet". 

Passwords:
Level - Password
2 - DIYGIXRA
3 - KCSVJTJB
4 - RWLKLPBC
5 - YQFZMLTC
6 - FLZNOHLD

Level Select:
Choose Load Game, Enter Password "HEVYFEET"
This will give Level Select.