Fight as Pyron:
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Defeat Pyron in arcade mode. Note: You will also unlock his stage.
Fight against Shin Akuma:
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Successfully complete the game once with each character, except for Pyron. Shin Akuma
will appear after Pyron is defeated when using a team containing your last set of characters.
Fight as Shin Gouki:
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Defeat Shin Gouki in arcade mode.
Classic character sound themes:
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Successfully complete the game to unlock classic themes for the characters used in the „Sounds” option.