Mike Tyson Heavyweight Boxing
Platinum mode:
Press X, B, L, R when "Press Start" appears at the title screen.
All boxers will be unlocked.
Flat mode:
Press Down, Up, B, X when "Press Start" appears at the title screen.
Alternately, press Right, Left, B, X,
Big heads:
Press X, B, Up, Down when "Press Start" appears at the title screen.
Small heads:
Press X, B, Down, Up 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.
