Play as Dan:
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At the title screen, hold Start and press Down, Left(7), then any button to
unlock Dan.
Play as Demitri:
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At the title screen, hold Start and press Right(3), Left, Up, Right, Down, Up,
then any button to unlock Demitri.
Play as Evil Iori:
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At the title screen, hold Start and press Up(3), Down, Left, Right, Down, Left
to unlock Evil Iori.
Play as Geese:
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At the title screen, hold Start and press Left(3), Down, Left, Up, Right, Up to
unlock Geese.
Play as Goenitz:
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At the title screen, hold Start and press Down(3), Right, Down, Left(3) to
unlock Goenitz.
Play as Mars Alien:
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At the title screen, hold Start and press Up, Down, Right(3), Up, Down, Left(2),
Down, then any button to unlock Mars Alien.
Play as Red Demon:
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Enter survival mode. Defeat the opponents until you face the Red Demon. Defeat
him to unlock him as a selectable character in all modes. To choose the Red
Demon, highlight Tabasa at the character selection screen, then hold R and press
X, Y, A or B. Note: The Red Demon is one of the best fighters in the game.
Play as Shin Mr. Karate:
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At the character selection screen, highlight Kasumi, then hold R.
Play as Super Akuma/Shin Gouki:
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At the character selection screen, highlight Balrog, then hold R.
Play as Violent Ken:
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At the title screen, hold Start and press Up(2), Down, Left(2), Right, Left, Up,
then any button to unlock Violent Ken.
Play as Young Athena:
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Enter survival mode. Defeat the opponents until you face Athena. Defeat her to
unlock her as a selectable character in all modes. To choose Young Athena,
highlight Genjuro at the character selection screen, then hold R and press X, Y,
A or B. Note: Athena is one of the best fighters in the game.