All stars
Press [R], [Up], [Down], [L], [X],
[B], [Left], [Right], [B], [A] on controller
two at the title screen.
Dogs
Press [Up]x2, [Down]x2, [Left], [Right],
[Left], [Right], [B], [A] on controller two
at the title screen.
Turn referee into a dog (Japanese version)
Press [Up]x2, [Down]x2, [Left], [Right],
[Left], [Right], [A], [B] before the Japanese
introduction is spoken. The sound of a dog barking will confirm
correct code entry.
Extra skill points
Enter edit players mode before each match and use all
available skill points. Highlight the "Cancel" option
and press [Y] for 200 additional skill points.