Pause the game and press Up, Down, Up, L, R, L to display a radar map at the top of the screen that shows enemies and hostages (Handmaidens in level 4, Pilots in level 9).
Return to Last Checkpoint
After losing all lives during a level, continue the game, and enter the same level. Pause the game and press L, R, L(2), R(2), L, R(2), L to start at the last checkpoint passed before dying.
Jedi Power Battle Mode
While playing a game in two player mode, press R + A + B + X + Y to activate Jedi Power Battle mode and allow one player to damage the other and vice versa. Repeat this code to disable it.