FRAMERATE -- displays the framerate, (okay, okay, who cares but it can be a
quickway to compare a couple of machines or configurations.)
HATMAN -- turns Harry Jr. Into a stick figure. Type it again to undo.
LETSDOTHETIMEWARP -- Access the secret Atari 2600 level.
IDBUYTHATFORADOLLAR -- Gives you access to all levels.
IDDQD -- Shows developers and a message.
MEOWMEOWLIKEMEOWMAN -- Gives you nine lives.
PUMPYOUUP -- Reloads weapons.
EATMOREBRAN -- Gives you nine continues.
FIVEEASYPIECES -- Access the first five levels.