Additional game options
At the title screen, hold B while selecting the arcade mode option to unlock options for "Vs.", "Single Play", "Couple", and "Double".

All songs
Select arcade mode, then highlight "Hard" at the difficulty selection screen. Press Right(3), select the "Hard" option, and begin a game.

Character and arrow selection
Select arcade mode, then press the Analog-stick in any direction at the difficulty selection screen.

Hidden mode option
Select arcade mode, then choose any difficulty setting. Press the Analog-stick in any direction, then press Up, Down, Up, Down, Up, Down, Up, Down.

Little mode option
Select arcade mode, then choose any difficulty setting. Press the Analog-stick in any direction, then press Left, Down, Right, Down, Left, Down, Right, Down, Up.

Mirror mode option
Select arcade mode, then choose any difficulty setting. Press the Analog-stick in any direction, then press Left, Right, Left, Right, Left, Right, Left, Right.