To create a boxer impervious to harm, enter your pugilist's name as "INVINCIBLE" in the Career Mode.
Disable All Codes
If you have been mucking up the works with all kinds of created boxer codes, create yet another pugilist named "RESETPASS" in Career Mode to set things straight.
Do Double Damage
Create a boxer named "DOUBLEDAMAGE" in Career Mode to lay twice the smackdown on unsuspecting foes.
Gerber Ghost Code
When you enter "NALU" as the name of your created boxer in Career Mode, a picture of a baby will appear next to the round indicator in the lower right corner of the screen.
More Boxers
At the Name entry screen you can enter one of the following names to unlock the corresponding boxer. NOLAN: Owen Nolan FRANCIS: Steve Francis BABY: baby BULLDOG: bulldog EYE: Cyclops GORE: Gorilla 100%: Full stats
Sepia Tone Mode
In the Career Mode, enter your character name as "SEPIA." When you begin your career, the fights will be presented in Sepia Tone.
Unlock Ashy Knucks
Type "KNUCKS" in the Career Mode as your character name to unlock a boxer named "Ashy Knucks."
Unlock Barry Sanders
In the Career Mode, enter "SANDERS" as the name of your boxer. When you begin, your boxer will look just like the Detroit Lions' great Barry Sanders.
Unlock Black and White Mode
To unlock the black and white mode, simply enter "BAW" as your boxer's name in Career Mode.
Unlock Jason Giambi
Enter "GIAMBI" as your character name in the Career Mode and you'll fight as Jason Giambi, Oakland A and last year's AL MVP.
Unlock Junior Seau
Enter "SEAU" as your character name in the Career Mode, and you'll be boxing as San Diego Chargers' great Junior Seau.
Unlock Schmacko Throb
In the Career Mode, enter "THROB" as your boxer's name and you'll be fighting as "Schmacko Throb."
Unlock the Clown
Become a clown! Just enter "CLOWN" as your boxer name in Career Mode to do so.