GAME GENIE CODES: Heavy Nova. |
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| No. | Code | Effect |
| 1 | ATHA-AA3N | Infinite energy--player 1 |
| 2 | ATHA-AA4E | Infinite power--player 1 |
| 3 | ATJT-AA60 | Infinite energy--player 2 / Computer |
| 4 | ATJT-AA7R | Infinite power--player 2 / Computer |
| 5 | AART-ANEA+ AART-ANEG | Limit player 2 / Computer to power level 6 |
| 6 | AART-AJEA+ AART-AJEG | Limit player 2 / Computer power level 4 |
| 7 | AART-AEEA+ AART-AEEG | Limit player 2 / Computer to power level 2 |
| 8 | VA1T-DJTJ+ 2E1T-DCJL | Start computer at low energy level |
| 9 | B3AT-AA9R | Infinite time |
| 10 | AFAT-AAHJ+ AFAT-AAHW | Run time down at 1/2x normal speed |
| 11 | SFAT-BJZW | Run time down at 2x normal speed |
| 12 | SFAT-BNZW | Run time down at 3x normal speed |
| 13 | SFAT-BTZW | Run time down at 4x normal speed |
| 14 | SFAT-BAZW | Run time down at 8x normal speed |
| 15 | ATET-AA4W | Infinite continues |
| 16 | BE0T-CACJ | 9 continues |
| 17 | AE0T-CACJ | 1 continue |
| 18 | AA0T-CACJ | No continues |