Cheat Mode:

Cheats are only available after the september 03, 2010 online update is applied to 
your game.Go to title screen then press on console LB LB RB LB RB RB RB LB RB LB LB RB 
to enable cheat codes phrase on option menu.if enter codes correctly message will appear 
Go to main menu then press option menu and press Y on console to enter cheat codes enter 
one following codes at the cheat codes phrases.