By: Activision

   Release date: 




   The codes.

 EATMOREBRAN          Gives nine continues.
 FIVEEASYPIECES       Access the first six levels.
 FRAMERATE            Shows the frame rate.
 HATMAN               First time: Turns Harry Jr. into a stick figure.
                        Second time: Turns creatures into stick figures.
                        Third time: Returns game to normal.
 IDBUYTHATFORADOLLAR  Gives menu with access to every level.
 IDDQD                Displays picture and says "This ain't Doom!".
 LETSDOTHETIMEWARP    Enable the Atari 2600 level. Use in the file menu.
 MEOWMEOWLIKEMEOWMAN  Get nine lives.
 PUMPYOUUP            Gives 99 ammo to each weapon.