At the stadium selection screen, quickly press L1, R1, L1, R1, Square. The Field Of Dreams cornfield, Ebbets field, and the Polo Grounds will now be selectable for game play. Note: Ebbets field and the Polo Grounds will appear in monochrome.
At the team selection screen, press L2, R2, L2, R2, Circle. Select the 33rd team on the list. This team consist of the game's developers with super attributes.
Enable the "Hidden fields" and "EA Sports dream team" codes. Select the dream team as the home team and the San Diego Padres as the visiting team. Now the home team will play in their underwear.
Enable the "Players in underwear" code. Then, while the players are in their underwear, hold L1 + L2 + R1+ R2, and press Circle, Triangle, Square, X, X, Square, X, Circle, Triangle. Now various physical features of the players will be altered, such as height, width, head size, and glove size.
While in the batter's box, hold L1 + L2 + R1+ R2, and press Up, Triangle, Left, Right, Square, Circle, Down, X.
While pitching, hold L1 + L2 + R1+ R2, and press X, Down, Circle, Square, Right, Left, Triangle, Up.
Throw a fastball, then immediately press Square + Down.
While playing a game, hold L1 + L2 + R1+ R2, and press Square, Circle, Square.
While playing a game, hold L1 + L2 + R1+ R2, then press Circle, X, Circle.
While playing a game, hold L1 + L2 + R1+ R2, then press Triangle, Circle, Triangle.
While playing a game, hold L1 + L2 + R1+ R2, then press Down, X, Down, X, Triangle.
While playing a game, hold L1 + L2 + R1+ R2, then press Down, X, Down, X(2).
While playing a game, hold L1 + R1 + L2 + R2 and press one of the following codes to hear the corresponding programmer introduce the game:
| Programmer | Code |
| Adrienne Travica | Right, Circle, Right, Left |
| Alex Garden | Up, Triangle, Up, Down |
| Anne Geiger | Left, Square, Left, Right |
| Brent Nielsen | Left, Square, Left, Circle |
| Chris Johnson | Up, Triangle, Up, X |
| Chuck Osieja | Up, Triangle, Up, Square |
| Daniel Ng | Up, Triangle, Up, Right |
| Darren Stone | Up, Triangle, Up, Circle |
| Duncan Lee | Left, Square, Left, Square |
| Edwin Gomez | Left, Square, Left, Up |
| Erik Kiss | Up, Triangle, Up, Triangle |
| Ernie Patzel | Right, Circle, Right, Triangle |
| Frank Faugno | Right, Circle, Right, X |
| Gary Lam | Left, Square, Left, Left |
| Geoff Coates | Right, Circle, Right, Up |
| Jon Spencer | Up, Triangle, Up, Up |
| Kirby Leung | Right, Circle, Right, Right |
| Michael Sokyrka | Right, Circle, Right, Square |
| Mike Swanson | Up, Triangle, Up, Left |
| Pauline Moller | Left, Square, Left, X |
| Steven Rechtschaffner | Left, Square, Left, Triangle |
| Tom Zuber | Left, Square, Left, Down |
| Tony Lee | Right, Circle, Right, Circle |
| Wendell Harlow | Right, Circle, Right, Down |
| Infinite Balls | 30026CAB 0000 |
| 3 Balls And You Walk | D0026CAA 0000 30026CAB 0001 |
| 2 Balls And You Walk | D0026CAA 0000 30026CAB 0002 |
| 1 Ball And You Walk | D0026CAA 0000 30026CAB 0003 |
| Infinite Strikes | 30026CAA 0000 |
| 2 Strikes And You Are Out | D0026CAA 0000 30026CAA 0001 |
| 1 Stirke And You Are Out | D0026CAA 0000 30026CAA 0002 |
| Infinite Outs | 30026CAC 0000 |
| 2 Outs And You Are Out | D0026CAC 0000 30026CAC 0001 |
| 1 Out And You Are Out | D0026CAC 0000 30026CAC 0002 |
| Away Team Score Modifier | 300269C8 00?? |
| Infinite Stamina Pitcher Away Team | 80023B64 38FF |
| Home Team Score Modifier | 300269C4 00?? |
| Infinite Stamina Pitcher Home Team | 80023DB0 38FF |
| Character Creation Codes | |
| Max Hit Control (Small) | 801FF564 00FF |
| Max Hit Control (Large) | 801FF566 00FF |
| Max Contact Change (Small) | 801FF568 00FF |
| Max Contact Change (Large) | 801FF56A 00FF |
| Max Batting Power (Small) | 801FF56C 00FF |
| Max Batting Power (Large) | 801FF56E 00FF |
| Max Running Speed (Small) | 801FF570 00FF |
| Max Running Speed (Large) | 801FF572 00FF |
| Max Throwing Speed (Small) | 801FF574 00FF |
| Max Throwing Speed (Large) | 801FF576 00FF |
| Max Arm Accuracy (Small) | 801FF578 00FF |
| Max Arm Accuracy (Large) | 801FF57A 00FF |
| Max Fielding Accuracty (Small) | 801FF57C 00FF |
| Max Fielding Accuracty (Large) | 801FF57E 00FF |
| Max Reaction Time (Small) | 801FF580 00FF |
| Max Reaction Time (Large) | 801FF582 00FF |
| Max Fastball (Small) | 801FF584 00FF |
| Max Fastball (Large) | 801FF586 00FF |
| Max Slider (Small) | 801FF588 00FF |
| Max Slider (Large) | 801FF58A 00FF |
| Max Curve (Small) | 801FF58C 00FF |
| Max Curve (Large) | 801FF58E 00FF |
| Max Knuckleball (Small) | 801FF590 00FF |
| Max Knuckleball (Large) | 801FF592 00FF |
| Max Sinker (Small) | 801FF594 00FF |
| Max Sinker (Large) | 801FF596 00FF |
| Max Change-Up (Small) | 801FF598 00FF |
| Max Change-Up (Large) | 801FF59A 00FF |
| Max Split Finger (Small) | 801FF59C 00FF |
| Max Split Finger (Large) | 801FF59E 00FF |
| Max Screwball (Small) | 801FF5A0 00FF |
| Max Screwball (Large) | 801FF5A2 00FF |