==CODES==

-Invincibility and Level Select-
During the introduction enter the following codes:
+---------------------------------------------------------+---------------+
| Code                                                    | Effect        |
+---------------------------------------------------------+---------------+
| Down, A, Up, B, Left, Right, B, A, B, A, B, A, Up, Down | Invincibility |
| SELECT                                                  | Skip levels   |
+---------------------------------------------------------+---------------+