Passcodes
To enter the passcodes, simply click on Settings from the game's console, the click on General. Type in the passcodes into the blank are labeled "Enter Passcode Here". To delete a passcode, i.e, the Chicken Passcode (hate being a chicken?), simply click on the passcode, and press Shift-Del.
CREDITS
Funky credits appear like at the end of a Star Wars movie.
LEIAWRKOUT
Activates Force Feedback for PC Joysticks.
DIRECTOR 
Let's you view all the cutscenes. Select "At the Movies" from the High Scores menu to view the cutscenes. Creates a new menu called Settings on the N64.
MAESTRO
Let's you listen to all the sound themes. Select "Concert Hall" from the High Scores menu to activate.
IAMDOLLY 
Gives you unlimited lives.
GUNDARK
Modifies Force Feedback control for PC Joysitcks
CHICKEN 
Play as an AT-ST!
TOUGHGUY
Gives you all powerups in the game (i.e., advanced blasters, advanced seeker missiles, etc.).
USEDAFORCE 
Turns off auto-aim feature.
NUMBERTWO
Gives you infinite secondary weapons, which mostly consists of missiles or bombs.
HIKEN
Hidden secondary weapons.
NEUC
Unconfirmed. Destroys all Imperial ships on the radar.
LOKJOT 
Allows you to land and do repairs. Unconfirmed also.
WOOKIEPELT
Fly as Millenium Falcon.
OOMPAWAMPA 
Level Select.
GOODGUYTIE 
Fly as TIE Interceptor.
ACE
Hard Difficulty.
RADAR 
Alternate Radar.
BLAMEUS
Shows photos of the development team.