| Gameshark Backyard Soccer Hacks |
| Player 1 Codes |
| Always Have Bowling Ball | 300BD43E 0003
300BD442 00FF |
| Always Have Cannonball | 300BD43E 0004
300BD442 00FF |
| Always Have Twister | 300BD43E 0001
300BD442 00FF |
| Always Have Underground | 300BD43E 0002
300BD442 00FF |
| Scores 0 | 300BD428 0000 |
| Scores 25 | 300BD428 0019 |
| Score Modifier | 300BD428 00?? |
| Player 2 Codes |
| Always Have Bowling Ball | 300BDA9A 0003
300BDA9E 00FF |
| Always Have Cannonball | 300BDA9A 0004
300BDA9E 00FF |
| Always Have Twister | 300BDA9A 0001
300BDA9E 00FF |
| Always Have Underground | 300BDA9A 0002
300BDA9E 00FF |
| Scores 0 | 300BDA84 0000 |
| Scores 25 | 300BDA84 0019 |
| Score Modifier | 300BDA84 00?? |
