Enter any of the following with controller 1 at the main menu. The sound of a dog barking will confirm correct entry.

Effect	Code
All 8 stars	Up, Down, Left, A, Left, B, Right, A.
Edit Team/Player attributes	Left, Right, Down, Right, Left, B, A, B.
Turn referee into a dog	Right, Up, B, Left, Up, A, Down, A.
View Ending and Credits	Down, Up, A, Left, A, B, Right, Left, Right, Left, B, Down, Up, Right, Up, B.