Puyo Puyo Fever Codes - 
Master code:
 Enter the options screen and select "Gallery".
Then, highlight the "Demo Viewer" option, hold 
,
and press 
, 
, 
, 
. A
sound will confirm correct code entry. Popoi, Carbuncle, all music,
voices, and story mode demos will be unlocked.
All characters:
 Select Endless mode, then quickly press 
,
, 
, 
, 
 at the Endless game
type menu. A sound will confirm correct code entry. 
Select single player mode, then quickly press 
, 
,
, 
, 
 at the difficulty selection screen.
A sound will confirm correct code entry. 
Highlight any single player story mode option, then press 
,
, 
, 
, 
. A sound will confirm
correct code entry. Any character can now be selected for story
mode.
Highlight any Tokoton PuyoPuyo mode, then press 
, 
,
, 
, 
. A sound will confirm correct code
entry. Any character can now be selected for Tokoton PuyoPuyo
mode.
All FMV sequences:
 Enter the options menu then Select the "Gallery"
option. Highlight the "View Cut Scenes" then hold 
and press 
, 
, 
, 
 to
unlock all FMV sequences as well as the secret characters.
Expert mode:
 Hold 
 on controller two while selecting an
opponent in single player Free Taisen mode with controller one.
The AI of your opponent will be much higher. 
In-game reset:
 Hold 
 + 
 + 
 + 
 and
press 
 during game play to return to the main menu.
PoPoi:
 Successfully complete WakuWaku Run in the single Puyo
mode.