At the title screen with the "Start" and "Option" selections, press Circle(2), Triangle(2), Circle(2), X, Triangle, Circle, Triangle(2). If you entered the code correctly, you will hear a sound.
At the Konami logo, quickly press Up(2), Down(2), Left, Right, Left, Right, X, Circle. If you entered the code correctly, you will hear a sound. Note: This code also allows katakana and roman character sets to be used in games in Konjou story mode.
Get "omoide" for all eleven standard characters. Enable "Skip" mode from the options menu. Select a single player game. Then, Miharu, Yoshio, and Rei will appear on the character selection screen.
When selecting the game mode, hold Left on controller one and Right on controller two. When selecting the number of rounds, hold Up on controller one and Down on controller two. Then, Miharu, Yoshio, and Rei will appear on the character selection screen.
Enable the "Cho-rensa mode in single player game" code. Then, enter "Konamiman" in katakana. If you entered the code correctly, you will hear a sound.
Enter "tsugi no tama" in hiragana. If you entered the code correctly, you will hear a sound. Then, the next piece display feature will be disabled.
Enter "Shiritsu Kirameki Koukou" in hiragana. If you entered the code correctly, you will hear a sound.
