9 Lives
     Pause gameplay and press Right, Right, Right, Down, Circle, Left,
Down.

5 Shots
     Pause  gameplay and press Down, Left, Circle, Down, Right, Right,
Right.

Level Select
     At the Main Menu, select One or Two player and press Circle.

Classic Mode and Credits
     First  enable  Level  Select  and choose Level 00. Complete it to
unlock  Ending,  Classic  Mode, and Credits. When select the number of
players, press Right to access Classic Mode, and access the Credits at
the Options.