During a match, you can end the match and win without needing to K.O. the enemy. However, you will obtain one point if no beans are erased. To perform it, press Triangle, Circle, Cross, Square, L and R all together. This will not work on shared system play.
Every Character permanently and obtain 9999 points once
At the title screen, keep holding L and R and press the following buttons in order: Up, Down, Right, Left, Triangle, Cross, Square, Circle. When done correctly, Carbuncle should speak. Remember, this cheat can only be done once.