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.

Control conquerors' faces (Conqueror's Continent):
At the conqueror selection screen, hold Select and press Up, Down, Left, Right several times. Note: Hold Start to select a conqueror for the CPU to control that character automatically.

Sound test (Conqueror's Continent):
At the title screen in original mode, hold Circle and press Up, Down, Left, Right several times.

View ending sequence (Conqueror's Continent):
At the title screen in original mode, hold Start and press Up, Down, Left, Right several times.

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.

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.

View all windows visuals (Wrestleball):
Select "WB League" and "Wrestle Team" in the original Wrestleball. Then, enter "NMURA" as a password.

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.

Bonus teams (Wrestleball):
Select any mode in the original Wrestleball. Then at the team selection screen, hold X until the four bonus teams appear.

Bonus points (Wrestleball):
Select "WB League" and any standard team in the original Wrestleball. Then, enter "MWAKI" as a password for 995 bonus points.