Open 3 Extra Playing Modes:
At the Main Title screen, Hold down L buttons+B buttons,
and press Down. You will hear a bell sound to
confirm that the cheat is active. Press Start to go to the Main Option
screen, and select the Extra Option. You will then be taken to a screen
with 3 new options! (Kart, Wire Frame, Radi-Con).
Open All The Tunning Parts:
At the Main Title screen, hold down L buttons+B buttons, and press Up.
You will hear a bell sound to confirm that the cheat is active. Press Start
to go to the Main Option screen, start the game, and then when you go to
the tunning screen, you will have all the parts!
Open All Cars:
At the Main Title screen, hold down L buttons+B buttons, and press Left.
You will hear a bell sound to confirm that the cheat is active. Press Start to
go to the Main Option screen, start the game, and then when you go to the car
select screen, you will have all the cars!
Open All Tracks:
At the Main Title screen, hold down L buttons+B buttons, and press Right.
You will hear a bell sound to confirm that the cheat is active. Press Start to
go to the Main Option screen, start the game, and then when you go to the track
select screen, you will have all the tracks!