When the game starts, hold A, B and C and press START. Release B and C, but keep holding A. Go to the Options screen and press B and C at the same time to enter it. Without releasing the A button, move the cursor down to Exit and press B and C again. Keep holding the A button, press B and C together to make your choice of one or two players. Press again to choose a character and, without releasing A, hold UP and press B, C and START simultaneously. Select your round with the A, B and C buttons.