Various Passwords:

Enter the following passwords for the desired effect.
 

Effect                                                  Password

Changes name to "HAMAGAKI"         SEX

Changes name to "HAMAGAKI"         OMEKO

Course Select                                     COURSExx (xx = 00 - 15)

Test Mode                                           TESTMODE

View Endings                                      ENDINGxx (xx = 00, 01, or 02)

Note: With the exception of SEX and OMEKO, you must highlight END, hold L + R + X + Down + Left, and press A to activate the codes.