Red Ace:
Win the game in arcade mode under the hard difficulty setting as a male
character with no losses. Select exhibition mode and move past Rafter on
the character selection screen to access Red Ace.
Hitomi Yoshino:
Win the game in arcade mode under the hard difficulty setting as a female
character with no losses. Select exhibition mode and move past Rafter on
the character selection screen to access Red Ace.
Ultimate difficulty:
Successfully complete time attack mode under the hard difficulty setting.
Hidden players:
Beat the arcade mode on hard without losing once to win hidden characters.
There is both a male and female hidden character.