These guys below me didnt mention these cheats:special moves on or off:pause the game hold l1+l2 release and press up up down down square square r1 r2.
Increase your score by a hundred points super way to get a grandmaster just pause the game and on pad 2 hold l1+l2 and press right right left left
to just see what your score is so far pause the game and on pad 2 just press right right left left with pressing the top buttons all enemies are brain wiped means they just stand there like dummies an u can kill them.