Choose 'Settings' from the console, and then click on 'General'. Type the cheats where it says: "Enter Passcode Here." To cancel a passcode, simply click on it and press Shift and Del.
IAMDOLLY Unlimited lives
TOUGHGUY All power-ups (advanced blasters/seeker missiles, etc)
USEDAFORCE More accurate shots
NUMBERTWO Infinite secondary weapons (missiles and bombs)
HIKEN Hidden secondary weapons
CREDITS Stylish credits appear as in Star Wars movies
LEIAWRKOUT Activates force feedback for PC joysticks
GUNDARK Modifies force feedback control for PC joysticks
CHICKEN Play as an AT-ST
DIRECTOR View all the cut-scenes; select 'At the Movies' from the High Scores menu to activate
MAESTRO Listen to all the sound themes; select 'Concert Hall' from the High Scores menu to activate