Successfully complete the game on any difficulty setting
to unlock a maze mini-game on the VMU. Successfully
complete the maze-mini game to unlock a cheat on the
cheat menu. To access the cheat menu, pause the game
and choose the "Settings" selection, then scroll down
past the "Internet" selection and choose the "Cheats"
selection. Depending on what difficulty the game was
completed on will depend on what cheat was unlocked.
Complete the game on different difficulty settings to
unlock different cheats.