Fight as Oboro Bishamon:
     Select  any  mode.  Highlight Bishamon at the character selection
screen then hold Start and press any Punch or Kick.

Fight as Shadow:
     Select  arcade  mode.  Highlight  "?"  at the character selection
screen  then  press Start, Start, Start, Start, Start, followed by any
Punch or Kick.

Fight as Marionette:
     Select  arcade  mode.  Highlight  "?"  at the character selection
screen  then  press  Start,  Start, Start, Start, Start, Start, Start,
followed by any Punch or Kick.

EX Options:
     Hold L and choose the "Option" selection at the main menu.

Completion bonuses:
     Successfully  complete  the  game 100% to unlock the introduction
sequences from the arcade games and pictures in the "Art Gallery".