To fight gold characters in Arcade or M.O.M mode, highlight Arcade or M.O.M mode, then press and hold L1 and you will fight gold characters.To fight EX characters in Arcade or M.O.M mode, highlight Arcade or M.O.M mode, then press and hold L2 and you will fight EX characters.To fight gold and EX characters in Arcade or M.O.M mode, highlight Arcade or M.O.M mode, then press and hold L1 and L2 and you will fight gold and EX characters
During character selection screen, Hit the Left Trigger 3 times, on the third time, HOLD DOWN.
To unlock the SP mode for all characters, clear 80 missions, and you will be able to use all available colors, including Gold and Shadow (infinite tension).