Puyo Pop Fever

Unlock intermission sequences and all characters:
Select "Gallery" at the options menu. Choose the option to view
the intermission sequences, after
Hold X and press Up, Down, Left, Right.

Unlock Popoi:
Finish WakuWaku mode.

Unlock Carbuncle:
Play in HaraHara mode. Get less than 4 or more than 12 fevers
without any continues.

Unlock picture gallery:
Insert Puyo Pop Fever GBA game in the cartridge.

Alternate title screen:
Finish WakuWaku mode in single player mode.
Rider will appear instead of Amitie At the title screen.