Inner mode
When the SD character begins moving while the game loads, hold X and press Right, Up, Left, Up, Right, Down, Left, Up, Triangle.
All mini-games
At the title screen, hold R1 and begin playing a mini-game. After completing the mini-game, hold X + Triangle at the summary screen to access all other mini-games.
Bio Rhythm
Select the "End" command and highlight the first option. Then, hold X, press Right(4), L1, Up, Start, Right.
All cards
Enter the sound options, highlight "Mono", then hold X and press Right, Up, Right, Up, L1, R2, L1, R2.
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