Enter the options screen and view the "Cyber Athlete" video sequence. Then, enter exhibition mode and intentionally get disqualified. Mills Lane will now be unlocked as a middle weight boxer.
Enter "GARGOYLE" as a name at the boxer creation screen in career mode to unlock a gargoyle. Press Circle at the pre-fight ranking screen to save the boxer for use in career and exhibition modes.
Enter "ROSWELL" as a name at the boxer creation screen in career mode to unlock an alien. Press Circle at the pre-fight ranking screen to save the boxer for use in career and exhibition modes. -From: Evil_JigglyPuff@webtv.net
Enter "SHMACKO" as a name at the boxer creation screen in career mode to unlock a clown. Press Circle at the pre-fight ranking screen to save the boxer for use in career and exhibition modes. -From: Evil_JigglyPuff@webtv.net
Enter "O" as a name as a name at the boxer creation screen in career mode to unlock 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.
Enter "Q_TIP" as a name at the boxer creation screen in career mode to unlock 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. Note: "_" indicates a space.
Enter "TIM_DUNCAN" as a name at the boxer creation screen in career mode to unlock 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. Note: "_" indicates a space.
Enter "MARLON_WAYANS" as a name at the boxer creation screen in career mode to unlock Marlon Wayans, the comedian. Press Circle at the pre-fight ranking screen to save the boxer for use in career and exhibition modes. Note: "_" indicates a space.
Enter "MARC_ECKO" as a name at the boxer creation screen in career mode to unlock 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. Note: "_" indicates a space.
Enter "JERMAINE_DUPRI" as a name at the boxer creation screen in career mode to unlock 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. Note: "_" indicates a space.
Enter "ED_MAHONE" as a name at the boxer creation screen in career mode to unlock Ed Mahone. Press Circle at the pre-fight ranking screen to save the boxer for use in career and exhibition modes. Note: "_" indicates a space. -From: Evil_JigglyPuff@webtv.net
Enter "MINIME" as a name at the boxer creation screen in career mode to miniaturize all boxers. Enter "RESETPASS" as a name at the boxer creation screen in career mode to return to normal size.
Enter "THROB" as a name at the boxer creation screen in career mode for the boxers to have throbbing heads during a match. -From: dgrundjr@earthlink.net
| Reverse Joker Command P1 | D00FC6DA ???? |
| Reverse Joker Command P2 | D00FC796 ???? |
| Infinite Health P1 | 8001DABC 082B 8001DABE 0277 8001DAC6 1420 |
| Infinite Stamina P1 | 8002184C 1000 8002184E 3221 80021852 1020 |
| Infinite Health P2 | 8001DABC 082B 8001DABE 0277 8001DAC6 1020 |
| Infinite Stamina P2 | 8002184C 1000 8002184E 3221 80021852 1420 |
| Infinite Health P1 & P2 | 8001E252 2400 |
| Infinite Stamina P1 & P2 | 8002188E 2400 |
| Hit Anywhere [Note] | 8001DAAE 2400 |
| Boxer Creation Codes | |
| Infinite Creation Points | 800C5698 00FF |
| Super Power | 300C568B 0064 |
| Super Speed | 300C5684 0064 |
| Super Stamina | 300C569A 0064 |
| Super Chin | 300C5680 0064 |
| Super Heart | 300C5686 0064 |
| Super Cuts | 300C5683 0064 |
Note: This code enables both players to make contact with each other no matter where they are on the screen.