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• All boxers

Win the Bronze, Silver, and Gold belts.

• Big heads

Press X, B, Up, Down when "Press Start" appears at the title screen.

• Fight as Iron Mike

Win the Mike Tyson Challenge to unlock Iron Mike, the early version of Mike Tyson.

• Fight as Mike Tyson

Win the Gold Belt to unlock Mike Tyson in single player mode.

• Flat mode

Press Down, Up, B, X when "Press Start" appears at the title screen.

• Mike Tyson Challenge

Defeat Mike Tyson and win the Gold belt to unlock the undisputed champ mode..

• Platinum mode

Press X, B, L, R when "Press Start" appears at the title screen.

• Small heads

Press X, B, Down, Up when "Press Start" appears at the title screen.

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• Bookmark or Share Mike Tyson Heavyweight Boxing

Bookmark or Share Mike Tyson Heavyweight Boxing on Xbox