Alternate dashboard color (Star Luster)
While the title for the original Star Luster is flashing, press Select, X, Circle, Right, Left, Up, Select, X, Down, Right.
Bonus points (Wrestleball)
Select "WB League" and any standard team in the original Wrestleball. Then, enter "MWAKI" as a password for 995 bonus points.
Bonus teams (Wrestleball)
Select any mode in the original Wrestleball. Then at the team selection screen, hold X until the four bonus teams appear.
Control loading screen (Pac-Man)
Repeatedly tap any button at the "Now Loading" screen to have the small Pac-Man run faster.
Original mode (Babel)
At the title screen, press Up(3), Down(5), Right(2), Left. If you entered the code correctly, the title will turn blue.
Screen saver (Wrestleball)
Select "WB League" and "Namco Team" in the original Wrestleball. Then, enter "SAITA" as a password. Note: The PlayStation must be reset to return to normal mode.
Sound test (Wrestleball)
Select "WB League" and "Karate Team" in the original Wrestleball. Then, enter "KWGEN" as a password. Now press Left or Right to select a song and X to play.
Unlimited lives (Toy Pop)
Press Select, X after losing all lives.
View all windows visuals (Wrestleball)
Select "WB League" and "Wrestle Team" in the original Wrestleball. Then, enter "NMURA" as a password.