Cheat mode:
     Hold  R  and  press  Black,  White,  Black,  White,  Black, White
repeatedly  at  the  main  menu  until the cheat option appears at the
bottom.  Then, pause game play and press X to access the cheat menu at
the  bottom  of  the pause menu. After cheats are activated, a message
will  appear  in  the  top  right part of the screen during game play.
Note:  The  cheat  options  can  be activated in online games, but may
require the game host to enable cheat mode.