==CODES==

-Debug mode-
At the title screen, press and hold the following:
+-----------------------+------------+
| Code                  | Effect     |
+-----------------------+------------+
| I and UP on Control 2 | Debug mode |
+-----------------------+------------+

-Level Select-
At the title screen, press RIGHT,SELECT,RIGHT,SELECT,RIGHT,SELECT,SELECT, then Button I ten times, 
,SELECT,SELECT, RUN for phase 2. Enter the same code expect press button I eleven time for phase 3, 
12 times for phase 4, and so on.