Ka Codes -

 

In-game reset:
Hold + + + and press + while playing the game.

Kaneyo Mosquito:
Hold and quickly press , , , , (x2), (x3) at the character selection screen. A shout will confirm correct code entry.

Kenichi Mosquito:
Enable the "Kaneyo Mosquito" code. Then, hold and quickly press , , , , (x2), (x3) at the character selection screen. A shout will confirm correct code entry.

Two player duel mini-game:
Hold + on controller two after turning on the system. Press to move forward, to jump, and (when the power meter is full) to do a rocket attack. Knock your opponent out of the ring to win.

Reckless Cyclist mini-game:
Rotate the thirty times at the title screen. Alternately, hold and continuously rotate the clockwise at the title screen.