GAME GENIE CODES: Hardball! |
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| No. | Code | Effect |
| 1 | RF0T-A60J | Pitchers don't get tired |
| 2 | AKSA-AA3E | Infinite innings |
| 3 | AL5A-AA6A + AK5T-AA9A | Infinite outs |
| 4 | AK5T-AA7R | Infinite strikes |
| 5 | AK5T-AA6A | Infinite balls |
| 6 | AF5T-AAF8 + AF2T-AADJ | Only need 1 strike for a strikeout |
| 7 | AK5T-AAF8 + AK2T-AADJ | Only need 2 strikes for a strikeout |
| 8 | AV5T-AAF8 + AV2T-AADJ | Must get 4 strikes for a strikeout |
| 9 | AZ5T-AAF8 + AZ2T-AADJ | Must get 5 strikes for a strikeout |
| 10 | AF5T-AAE2 + AF2T-AAEA + AGHT-AABC + AGNA-AAAW + AGSA-AAHA |
Only need 1 ball for a walk |
| 11 | AK5T-AAE2 + AK2T-AAEA + ALHT-AABC + ALNA-AAAW + ALSA-AAHA |
Only need 2 balls for a walk |
| 12 | AP5T-AAE2 + AP2T-AAEA + ARHT-AABC + ARNA-AAAW + ARSA-AAHA |
Only need 3 balls for a walk |
| 13 | AZ5T-AAE2 + AZ2T-AAEA + A0HT-AABC + A0NA-AAAW + A0SA-AAHA |
Need 5 balls for a walk |
| 14 | A35T-AAE2 + A32T-AAEA + A4HT-AABC + A4NA-AAAW + A4SA-AAHA |
Need 6 balls for a walk |