Cheat Mode

Press Square, Circle, L2, R2 at the "Press Start" screen to unlock all boxers, arenas, and game modes.

Extra Custom Boxer Textures

Press L1, R1, X(2), Triangle, X at the "Press Start screen.

Alternate Credits

Press X, Triangle, Square, Circle at the "Press Start screen.

Big Head Mode

Press Square, Circle, Up, Down at the "Press Start screen.

Small Head Mode

Press Square, Circle, Down, Up at the "Press Start screen.

Flat Mode

Press Down, Up, Circle, Square at the "Press Start screen.

Super Mutant Mode

Press Square, Left, Up, Triangle at the "Press Start screen.

7/06/02

All Boxers

To unlock all of the boxers including "Iron" Mike himself, win the bronze, silver, and gold belts.

Mike Tyson Challenge

Beat Mike for the gold belt to unlock Mike Tyson Challenge.

6/25/02