Star Wars: Obi-Wan
Select the "New Game" option at the main menu, then enter
GREYTHERAT as a saved game name. All levels, including the bonus
levels, will be unlocked. Enter M1A2U3L4!? as a saved game name
to unlock all levels until Darth Maul.
Hold L for about one second, then press White. Slow motion will
only work for several seconds.
Battle Royal mission:
Defeat Darth Maul in level 25 to unlock the Battle Royal mission,
where you have to fight eight other Jedi Masters in the Saber Arena.
Additional versus mode characters:
Defeat a character in the Jedi Arena during game play to unlock
him or her in versus mode.