Star Wars: Obi-Wan

Enter greytherat as your name to unlock all levels.

Level select:
Select the "New Game" option at the main menu, then enter GREYTHERAT as 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.

Slow motion:
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.

 