Puyo Puyo Fever

All characters and intermission sequences

Select "Gallery" at the options menu. Highlight the option to view the intermission sequences, then hold X and press Up, Down, Left,Right. A sound will confirm correct code entry.
waavl ivd vbuenml muhoil

Get character select in Endless Puyo Pop mode

Select "Endless Puyo Pop" at the main menu. Then, highlight a course and press Up, Down, X, A. A sound will confirm correct code entry. You can now play as any character in classic mode. To have a character's Puyo set, hold X while selecting that character at the selection screen.

Character select in Single Puyo Pop mode

Select "Single Puyo Pop" at the main menu. Then, highlight a course except for "Free Battle" and press X, Down, Up, A. A sound will confirm correct code entry.

Play as Carbuncle

Play in HaraHara mode. Either get less than four or more than twelve fevers without any continues. Alternately, complete the game with your number of continues as a multiple of 7.

Play as Popoi

Successfully complete WakuWaku mode.

Hidden mini-game

Blow into the microphone at the title screen until a number appears at the bottom of the touch screen. Use the stylus or blow into the microphone to keep the falling Puyos from reaching the bottom.

Control menu screen

Blow into the microphone at most game menus to move bubbles around.

Bonus gallery pictures

Have the Game Boy Advance game Puyo Pop Fever in the cartridge slot to unlock bonus pictures in the gallery.

Alternate title screen

Successfully complete WakuWaku mode in single player mode. Rider will appear instead of Amitie At the title screen.

Taunt

Blow into the microphone during game play.

출처 : http://www.gamewinners.com/Cheats/index.php/Puyo_Puyo_Fever_%28DS%29