Star Wars - Obi-Wan cheats and cheat codes for XBox

Unlock all regular and bonus levels:
Go to the main menu and choose the "New Game" selection.
Enter "GREYTHERAT" as saved game file name. 
All regular and bonus levels will be available.

Unlock all levels until Darth Maul:
Go to the main menu and choose the "New Game" selection.
Enter "M1A2U3L4!?" as saved game file name. 

Fight 8 Jedi Masters in the Saber Arena:
Beat Darth Maul in level 25 to get access to the BAttle Royal mission.

Bonus VS mode characters
Beat a character in the Jedi Arena to unlock him or her in VS mode.

Slow motion
Hold L trigger for about one second, then push the White button. 

Force Slow
Force Trigger + White Button = "Force Slow".

Unlock vs. Mode:
Beat Darth Maul in main game - Battle Royal
Beat Darth Maul in main game - Darth Maul's Arena
Beat her in Jedi Arena in main game - Adi Gallia
Beat him in Jedi Arena in main game - Eeth Koth
Beat him in Jedi Arena in main game - Ki-Adi Mundi
Beat him in Jedi Arena in main game - Mace Windu
Beat him in Jedi Arena in main game - Plo Koon
Beat him in Jedi Arena in main game - Saesee Tiin
Beat the 2 Tatooine levels in main game - Tuskan Raider's Arena
Beat Training Droid in Jedi Arena in main game - Depa Billaba

Non-tested cheats:
Enter these cheats as your name:
DARTHMAUL - Run fast
MASTERYODA - Strong Force powers