Stage Select:
 Use Normal difficulty to finish the game with no continue, then Stage Select option will be in the
title
screen.

                                       Free Play:
  In any difficulty, play the game for more than 10 hours, then save the game.  When you restart,
free play will
                                be enabled.

Power-up:
Pause game play and press Up(2), Down(2), Left, Right, Left,
Right, X, Circle. A sound will confirm correct code entry.
Note: The code may only be enabled once per level.