Pause the game and press Triangle, Square, X, Circle(3) on controller two. If you entered the code correctly, you will hear the sound of a piano. Now press one of the following buttons to activate the corresponding cheat function:
Press X, and then the phrase "Let's go to Inning" will appear in the upper left corner. Now press X repeatedly to select the desired inning. Press Start to resume the game.
Press L1, and then the phrase "home run" will be spoken. Now press Start to resume the game. Any hits will be home runs. To resume normal batting, enter cheat mode and press L1 again.
Press L2, and then press Start to resume the game. To resume human control, enter cheat mode and press L2 again.
| P1 Score Modifier | 800C6684 ???? |
| P2 Score Modifier | 800C6696 ???? |
| Infinite Strikes | 800CB5A8 0000 |
| Infinite Balls | 800C971C 0100 |
| Infinite Outs | 800CB564 FF00 |
| 1 Strike And You Are Out | D00CB5A8 0000 800CB5A8 0002 |
| 2 Strikes And You Are Out | D00CB5A8 0000 800CB5A8 0001 |
| 1 Ball And You Walk | D00C971C 0000 800C971C 0003 |
| 2 Balls And You Walk | D00C971C 0000 800C971C 0002 |
| 3 Balls And You Walk | 800C971C 0000 800C971C 0001 |
| 1 Out And The Inning is Over | D00CB564 FF00 800CB564 FF02 |
| 2 Outs And The Inning is Over | D00CB564 FF00 800CB564 FF01 |