GAME GENIE CODES: Contra Hard Corps. |
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| No. | Code | Effect |
| 1 | RHVA-A6WR | Invincible |
| 2 | RERT-C6X4 | Infinite lives |
| 3 | AYCT-AAH4 | Start with 5 lives |
| 4 | BJCT-AAH4 | Start with 10 lives |
| 5 | DECT-AAH4 | Start with 25 lives |
| 6 | GJCT-AAH4 | Start with 50 lives |
| 7 | NNCT-AAH4 | Start with 99 lives |
| 8 | AMCT-AA4T | Infinite continues |
| 9 | ADAA-AAG6 | No continues |
| 10 | H9GA-AAE6 | Start with all weapons |
| 11 | AM4A-AA8C | You don't lose a weapon when you die |
| 12 | RFTT-C614 | Each bomb found is worth 99 bombs |
| 13 | AJVA-CA8Y | Infinite bombs on pick-up |