Giant Attack mode:-
Successfully complete arcade mode. Then highlight the "Arcade Mode" option
at the main menu, hold [Shield] and select "Confirm". The character
selection screen's background will turn blue to confirm correct code entry.
Select a character to battle a giant version of Shiki's stepsister for a
random number of rounds.
Alternate stage backgrounds:-
Do not use any continues while playing in arcade mode. You will fight Aozaki
Aoko after defeating Shiroi Len . Defeat her to unlock the background that
you fought her on in versus and training modes.