Hold R+L then press Y,Y,X,B,A,Y 9,999 parts
Hold R+L then press A,A,A,Y,X,Y,B,A 99 lives
Hold R+L then press Y,Y,Y,X Don't lose lives
Hold R+L then press A,A,A,Y,X,Y Extra Life
Hold R+L then press A,A,A,Y Full Health
Hold R+L then press Y,Y,Y,X,A,B Invincibility
Hold R+L then press Y,Y,X,B,A,Y,Y,A Unlock all gadgets
Hold R+L then press X,Y,X,A,X,B Unlock all missions
Hold R+L then press B,A,X,Y,A,B Unlock all outfits