All venues
Highlight the "My Corner" option at the main
menu, then press [Left]x3, [Right]x3, [Left],
[Right]x2. A sound will confirm correct code entry.
Big head mode
Highlight the "Fight Now" option at the main
menu, then press [Left], [Right], [Left], [Right],
[Left], [Right], [Left]. A sound will confirm correct
code entry. Select the "Fight Now" option to have a
big headed boxer.
Small fighter
Highlight "Play Now" option at the main menu,
then press [Left]x3, [Right]x3, [Left], [A].
A sound will confirm correct code entry. Alternately, press [Left],
[Right], [Left], [Right], [Left] at the main
menu.
Fight as Big Tigger
To unlock Big Tigger as a boxer, go to the main menu.
Select "My Corner", then "Record Books", then
"Most Wins-Boxer". Tap [Up]x2 and you will now
be able to play as Big Tigger as a middleweight fighter. A sound
will confirm correct code entry.