Alternate costume colors: Press the various Punch and Kick buttons while choosing a fighter on the character selection screen. Fight as Inoz: Accumulate over two hours of total game play. Then, hold L while choosing Mamazo at the character selection screen. Fight as Darkness: Accumulate over five hours of total game play. Darkness will now be selectable at the character selection screen. Extra options: Accumulate over ten hours of total game play. An "Extra options" selection will appear on the options menu.