Pitfall 2: The Mayan Adventure

EATMOREBRAN: gives nine continues.
FIVEEASYPIECES: gives access to the first five levels.
FRAMERATE: displays framerate.
HATMAN: toggles stick figure mode.
IDBUYTHATFORADOLLAR: gives access to all levels.
IDDQD: shows developer pic.
LETSDOTHETIMEWARP: gives access to the atari 2600 version.
MEOWMEOWLIKEMEOWMAN: gives nine lives.
PUMPYOUUP: reloads weapons.