At the title screen, hit the following:
Up, Down, Up, Down, Left, Up, Down, Up, Down, Right
Soccer Kid will say something, and during this, press B.
Press Up, Down, Up, Down,Left, Up, Down, Up, Down, Rightat the title screen. Soccer Kid will say "Hey that's thecheat mode" to confirm correct code entry. Press Left orRight at the options menu to change the starting level.