Cheat mode:
Select the "Music Demo" option from the main menu. Choose the sixth selection, "Twisted Flipper". While that phrase is displayed, press A, C, A, B, and begin game play. Enter one of the following controller actions to enabled the corresponding cheat effect.

Level select
Before launching the ball, hold Up and press B to raise, or Down + B to lower, the "Volume Level" to the corresponding level number.

Sound test
Hold both flippers up and press A during game play.