Enter these codes as names in Career mode.
| Effect | Code |
| Invincibility | INVINCIBLE |
| Double damage | DOUBLEDAMAGE |
| Full attributes in career mode | 100% |
| Sepia tone mode | SEPIA |
| Black and white mode | BAW |
Press Triangle + Circle to do a boxer's signature moves.
Enter KNUCKS as a name for a created boxer.
Enter BULLDOG as a name for a created boxer.
Enter EYE as a name for a created boxer.
Enter NOLAN, SANDERS, GIAMBI, SEAU, CLOWN, BABY, GORE, and FRANCIS as a name for a created boxer.
Press Triangle + Circle todo a boxer's signature move. For example, press Triangle + Circle with Tua and he will do his devastating Left hook.
During a match, hold R1 + R2 and press Triangle.
During a match, hold R1 + R2 and press X.
During a match, hold R1 + R2 and press Circle.
During a match, hold R1 + R2 and press Square.
During a match, press Triangle + Circle + X + Square.
