Miniature boxers:
Enter the options screen and view the "Cyber Athlete" video sequence. Then,
enter career mode and enter MINIME as a name to miniaturize all boxers. To
return to normal size, enter RESETPASS as a name in career mode.
Throbbing boxer heads:
Enter THROB as a name at the boxer creation screen
Fight as Judge Mills Lane:
Enter the options screen and view the "Cyber Athlete" video sequence. Then,
enter exhibition mode and intentionally get disqualified. Mills Lane will be
unlocked as a middle weight boxer.
Fight as Jermiane Dupri:
Enter JERMAINE DUPRI as a name at the boxer creation screen to fight as Jermiane
Dupri, the hip-hop musician. Press Circle at the pre-fight ranking screen to
save the boxer for use in career and exhibition modes.
Fight as Q-Tip:
Enter Q TIP as a name at the boxer creation screen to fight as Q-Tip from the
band A Tribe Called Quest. Press Circle at the pre-fight ranking screen to save
the boxer for use in career and exhibition modes.
Fight as O:
Enter O as a name as a name at the boxer creation screen to fight as the
musician that performed most of the game music. Press Circle at the pre-fight
ranking screen to save the boxer for use in career and exhibition modes.
Fight as Marc Ecko:
Enter MARC ECKO as a name at the boxer creation screen to fight as Marc Ecko,
the founder of the Ecko line of clothes. Press Circle at the pre-fight ranking
screen to save the boxer for use in career and exhibition modes.
Fight as Tim Duncan:
Enter TIM DUNCAN as a name at the boxer creation screen to fight as Tim Duncan
from the San Antonio Spurs. Press Circle at the pre-fight ranking screen to save
the boxer for use in career and exhibition modes.
Marlon Wayans:
Enter MARLON WAYANS as a name at the boxer creation screen to fight as Marlon
Wayans, the comedian. Press Circle at the pre-fight ranking screen to save the
boxer for use in career and exhibition modes.
Gargoyle:
Enter GARGOYLE as a name at the boxer creation screen to fight as a gargoyle.
Press Circle at the pre-fight ranking screen to save the boxer for use in career
and exhibition modes.
Alien:
Enter ROSWELL as a name at the boxer creation screen to fight as a gargoyle.
Press Circle at the pre-fight ranking screen to save the boxer for use in career
and exhibition modes.
Shamcko The Clown:
Enter SHMACKO as a name at the boxer creation screen to fight as a gargoyle.
Press Circle at the pre-fight ranking screen to save the boxer for use in career
and exhibition modes.
Ed Mahone:
Enter ED MAHONE as a name at the boxer creation screen to fight as Ed Mahone.
280 lb. Super Heavyweight fighter:
Select "Heavyweight" at first fighter attribute screen in career mode. Set the
fighter's weight to "230" (maximum). Press X to go to second fighter attributes
screen. Change the fighter's body style from "1" to "2". Press Triangle to
return to first attributes screen, and the fighter's weight can now be set
anywhere from 230 to 280 lbs.
Illegal kick:
Press Triangle + Circle + X + Square during a match to illegally kick your
opponent in the midsection.
Get up faster:
Press Analog-stick Down + X after being knocked down to get up faster.