EX Mode
EX Mode is a cross between Speed Mode and Power Mode.
To activate EX Mode, choose any character, and when
your choosing your mode(Speed or Power), highlight
speed and press the C button 6 times, highlight Power
and press B 3 times, and highlight Speed again and
press the C button 4 times. All this has to be done
within 3 seconds.

Unlock Hagure
To unlock Hagure in arcade, versus, and training mode
put the cursor on Akari and press C 8 times, B 9 times
wait 1 second, and C 1 time. Akari will then say something
to let you know the code worked. Now press A or D to
select him/her.

Unlock Kouryu
To unlock Kouryu in arcade, versus, and training mode
put the cursor on Kaede and press C 10 times, B 5 times,
and C 4 times. He will then say something to let you know
the code worked. Now press A to select him.

Unlock Unawakened Kaede
To unlock Unawakened Kaede in arcade, versus, and training
mode put the cursor on Kaede and press C 9 times, B 1 time,
and C 4 times. He will then say something to let you know
the code worked. Now press A or D to select him.

Special Intro with Kotetsu
To see the special intro for Shigen in arcade, versus, and
training mode put the cursor on him and press C 5 times,
B 10 times, and C 2 times. Kotetsu will then say something
to let you know the code worked. Now press A or D to select
her. You can't play as her but you get a funny intro