Go on a date with any girl on March 3rd and take her out to the Karaoke bar. Then, quickly press Up(2), Down(2), Left, Right, Left, Right, X, Circle before entering the bar. Go inside and quickly press Up(2), Down(2), Left, Right, Left, Right, X, Circle at the screen that displays the selection of karaoke songs.
Go to the Karaoke bar with any girl three times. On the fourth time, the message "Anata No Uta Mo, Kikitaina" will appear. Then, quickly press Up(2), Down(2), Left, Right, Left, Right, X, Circle.
Start a new game. Then at the screen where you choose your name or nickname, enter, "MI-NN-NA" ("everyone" in Hiragana) as your Myoji (family name). Then, enter "NA-KA-YO-SHI" ("friendly" in Kanji) as your Namae (first name). Enter any value for a birth date, blood type, and other fields. All the female characters (except Ray) will be start in friendly status with your character. Ray is a female. Call her constantly on Sundays and holidays to have her fall in love with your character.
Start a new game. Then at the screen where you choose your name or nickname, enter "KO-NA-MI-MA-NN" (Konami-man in Hiragana) as your Adana (nickname). Enter any value for a birth date, blood type, and other fields. All your character's stats, including Stress, will be boosted to 573. This may be used in conjunction with the friendly mode code.
Pause the game and quickly press Left(2), Right(2), Down, Up, Down, Up, Circle(2), Square(2), Triangle, X, Triangle(2) after your score passes 573,000.
Pause the game and press Up(2), Down(2), Left, Right, Left, Right, X, Circle in the Twin Bee mini-game. The Twin Bee mini-game may be played after joining the Computer Programming Club for at least two years (you will eventually play it at the school festivals); or by selecting the "Omake" choice on the options screen when the game is started.
This is a mini 3D shooter that demonstrates some of the PlayStation's 3D processing capabilities. It can be accessed by joining the Computer Programming Club for all 3 years and eventually becoming the Club Leader.
During a battle, press Up(2), Down(2), Left, Right, Left, Right, X, Circle to increase HPs to 5730.
During a battle, press Up(2), Down(2), Left, Right, Left, Right, Circle, X to decrease HPs to 1.
During the credits after the game ends, press Up(2), Down(2), Left, Right, Left, Right, X, Circle on controller two.
