Invincibility:
Pause game play in single player mode then press Up, Up, Up, Left, Down, Down, Down, Left, Up, Up, Up, Left, Right.
Unlimited ammunition:
Pause game play in single player mode then press Up, Down, Left, Down, Down, Left, Down, Down, Left, Down, Down, Down, Left, Right.
Low resolution soldiers:
Pause game play in single player mode then press Down, Down, Down, Up, Up, Left, Down, Down, Left, Up, Up, Up, Left.
Disable HUD:
Pause game play in single player or multi-player mode then press Up, Up, Up, Up, Left, Up, Up, Down, Left, Down, Up, Up, Left, Right.
Slow motion sounds:
Pause game play in single player mode then press Up, Up, Up, Left, Up, Down, Up, Up, Left, Down, Down, Down, Left, Up, Down, Down, Left, Right.
Party-time Jedi/Wampa hit effects:
Pause game play in single player mode then press Up, Down, Left, Down, Left, Right.