There are several secret stages in the game. To unlock these stages, a special name must be entered in the "NAMES" entry box in the main menu along with a specific birthday. These stages can only be played with two players and must be selected in the "ARENA" selection area of the main menu to be able to play them. The names and birthdays in question are:

• The Alley - TUGAWAR 4/16/64.
• Psychedelic World - PARANOID 5/5/75
• Turbo World - SPEED 8/8/80.
• The Garden/Taj Mahal - TAJ MAHAL 1/1/01.