GAME GENIE CODES: Zero Tolerance. |
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| No. | Code | Effect |
| 1 | AAFT-CABY | Infinite ammo |
| 2 | REJA-C61W | Ammo power-ups completely fill ammo if you already have some |
| 3 | A39A-LA7E | All levels are secured |
| 4 | AMNA-AA5E | Invincible |
| 5 | AAHA-CAG6 | Bullet Proof Vest takes no damage |
| 6 | TAHA-CAG6 | Bullet Proof Vest takes 1/2 damage |
| 7 | AAHA-CEG6 | Bullet Proof Vest takes 2x damage |
| 8 | AAGT-CAHT | Bioscanner doesn't run out |
| 9 | AAGT-CEHT | Bioscanner lasts half as long |
| 10 | TAGT-CAHT | Bioscanner lasts twice as long |