At the versus screen, press Turbo, Jump, and Pass to change the icons below the helmets. The numbers in the following codes indicate the number of times each button is pressed. After the icons have been changed, press the D-pad in the indicated direction to enable the code. For example, to enter 1-2-3 Left, press Turbo, Jump(2), Pass(3), Left. If you entered the code correctly, you will see the name of the code and hear a sound. Note: More then one code may be activated per game.