Mike Tyson Heavyweight Boxing
Master code:
Press Square, Circle, L2, R2 when
"Press Start" appears at the title screen.
All created boxer items:
Press L1, R1, X(2), Triangle, X when
"Press Start" appears at the title screen.
Big heads:
Press Square, Circle, Up, Down when
"Press Start" appears at the title screen.
Small heads:
Press Square, Circle, Down, Up when
"Press Start" appears at the title screen.
Random sized boxers:
Press Square, Left, Up, Triangle when
"Press Start" appears at the title screen.
Flat mode:
Press Down, Up, Circle, Square when
"Press Start" appears at the title screen.
View full credits:
Press X, Triangle, Square, Circle when
"Press Start" appears at the title screen.
All boxers:
Win the Bronze, Silver, and Gold belts.
Mike Tyson Challenge:
Defeat Mike Tyson and win the Gold belt
to unlock the undisputed champ mode..
Fight as Mike Tyson:
Win the Gold Belt to unlock Mike Tyson in
single player mode.
Fight as Iron Mike:
Win the Mike Tyson Challenge to unlock
Iron Mike, the early version of Mike Tyson.
