All cards: Enter the sound options, highlight "Mono",
then hold L1 and press Up, Down, Up,
Down, Square, Triangle, Square, Triangle.
Bio Rhythm: Select the "End" command and highlight the
first option. Then, hold L1, press Up(4), Square,
Down, R2, Up.
All mini-games: Hold Select at the title screen and begin playing
a mini-game. After completing the mini-game, hold L1 +
Circle at the summary screen to access all other mini-games.
