Cheat Mode:
     Press  X  during  gameplay  to  display the team menu. Next, hold
Select, press Left Analog-stick Up and rotate it clockwise three times
then   immediately  rotate  it  counter-clockwise  three  times  while
continuing  to  hold  Select.  Note:  Your selected character will run
around  when  this  is done. While in the same menu, you should notice
that  a  new  icon  has appeared under the log icon in the lower right
hand  corner  of  the  screen. Highlight it and press X to display the
cheat   menu.  The  cheat  menu  allows  all  weapons,  invincibility,
unlimited weapon energy, level skip, and level selection.