Mike Tyson Heavyweight Boxing Cheats

Mike Tyson Heavyweight Boxing Platinum Mode
On the title screen press X, B, L, R when you see the words, "Press Start".

Mike Tyson Heavyweight Boxing Flat Mode
On the title screen press DOWN, UP, B, X when the words, "Press Start" appears.

Mike Tyson Heavyweight Boxing Big Heads
On the title screen press X, B, UP, DOWN when the words, "Press Start" appears.

Mike Tyson Heavyweight Boxing Small Heads
On the title screen, press X, B, DOWN, UP when the words, "Press Start" appears.