Key -Square= [], Triangle= /\, X= X, Circle= O
Diferent Colored Characters
To get alternate colors other than the 1- or 2-player selections, go to random select, hold down select, and choose your character with one of the four symbol buttons ([], /\, X, O )
Play as the Bosses
Uranus and Master
As the options fly onto the screen, quickly press R1,L2,X,L1, and R2, and O on controller one.
Sho and Vermillion
As the options fly onto the screen, quickly press O,R2,L1,X,L2, and R1.
When the character select screen appears, press select to slow it down. The new characters appear after Chaos.
Fight Against Sho
To meet Sho in combat, play a Full game on level 5-7 and don't use a continue. After you see your character's ending, Sho appears standing behind your character.
Fight Against Vermillion
To meet Vermillion in combat, play a full game on at least level 8 and don't use a continue. After you see your character's ending, Vermillion appears standing behind your character.
Super Attack
To get instant super moves, finish a 1P game with either Sho or Vermillion on level 5 or higher with a high score. Next, press R1+R2 to receive your character's super move.
Speed Up Ending Credits
Press and hold down start to speed up the ending.
Camera Control
For some new camera angles, change the L1,L2,R1 and R2 buttons to unused. Go to the options screen and select camera. Return to the L1,L2,R1,R2 assignments and change them to camera.
No Meters
To clear up the screen, pause the game, while holding down on controller one, press O,X,[],/\, and select.
Cheat codes from Bill's Cheat Pages
http://www.angelfire.com/ca2/billscheats/