Codes
Gold and Shadow Mode

During character selection screen, Hit the Left Trigger 3 times, on the third time, HOLD DOWN.
Code                    Effect
While Holding, Press R trigger	Gold Mode. Faster, and Stronger.
While Holding, Press Start	Shadow Mode. Nothing really, just Black & Red. Cool looking.


Unlockables
Unlockables

Unlockable              How to Unlock
EX characters           To Unlock all EX characters, simply clear 35 missions
GG or GGX mode          To Unlock GG or GGX mode, simply clear 65 missions
Kilff and Justice       To Unlock Kilff and Justice, simply clear 50 missions
SP characters           To Unlock SP characters, simply clear 80 missions


Unlockables

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).


Secrets
Fight Gold or EX characters in Arcade or M.O.M mode

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