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 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.

Unlimited lives (Toy Pop)
Press Select, X after losing all lives.