Use the following codes during the game:
pumpyouup: 99 of each weapon
meowmeowlikemeowman: Nine lives
eatmorebran: Nine continues
framerate: Display framerate
letsdothetimewarp: Original version
idbuythatforadollor: Level select
fiveeasypieces: Access first five levels
hatman: Stick figure mode
idkfa: Display joke screen