Capcom Puzzle World

Unlock Akuma as playable character:
While you are at the character selection screen, highlight Hsien-Ko
then press Analog-pad Down to play as Akuma.

Unlock Dan as playable character:
While you are at the character selection screen, highlight Donovan
then press Analog-pad Down to paly as Dan.

Unlock Devilot as playable character:
While you are at the character selection screen, highlight Morrigan
then press Analog-pad Down to play as Devilot.

Puzzle Fighter - Unlock Anita:
Go to the player selection screen. While choosing Donovan hold L + R to
play as Anita.

Puzzle Fighter: Play as Hsien-Ko's Talisman/Sister's spirit form:
Go to the player selection screen. While choosing Hsien-Ko hold L + R to
play Hsien-Ko's spirit form.

Puzzle Fighter - Unlock Morrigan's bat form:
Go to the player selection screen. While choosing Morrigan hold L + R to
play as Morrigan's bat form.

Super Buster Bros. - Level select in Tour mode:
While you are at the game selection screen, highlight "Tour Mode",
then hold Down and push X.