PS2
Different Credits
Go to the "Press Start" screen and press X, Triangle, Square, Circle
PS2
All Cheats
Go to the "Press Start" screen and press Square, Circle, L2, R2
PS2
Get 2D Mode
Go to the "Press Start" screen and press Down, Up, Circle, Square
PS2
Big Head Mode
Go to the "Press Start" screen and press Square, Circle, Up, Down
PS2
More Boxer Textures
Go to the "Press Start" screen and press L1, R1, X, X, Triangle, X
PS2
Tiny Head Mode
Go to the "Press Start" screen and press Square, Circle, Down, Up
Xbox
Cheat Mode
Go to the "Press Start" screen and press X, B, L, R
Xbox
Get 2D Mode
Go to the "Press Start" screen and press Down, Up, B, X
Xbox
Big Head Mode
Go to the "Press Start" screen and press X, B, Up, Down
Xbox
Tiny Head Mode
Go to the "Press Start" screen and press X, B, Down, Up
Xbox
Get Mike Tyson Challenge
Beat Mike Tyson and get the Gold Belt in the Final Match
Xbox
Get All Boxers
Get all bronze, silver and gold belts to unlock the boxers including Mike
Xbox
Unlock Iron Mike
Beat All Boxers In Tyson's Challenge To Fight As Iron Mike.
PS2
Mutant Mode
Go to the "Press Start" screen and press Square, Left, Up, Triangle
