CheatCodes.com has all the official Plasma Sword Dreamcast cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Monday June 17, 2013 for Plasma Sword are shown below.
At the character selection screen, highlight Rain, then press Down(2), Left(2), Up.
At the character selection screen, highlight Byakko, then press Up, Down, Left(2), Right, Left, Up.
At the character selection screen, highlight Gamof, then hold Start and press A.
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