| Name | Code | Note | Hacker Name |
| Small Hearts Worth 5 Energy Points | IAKSXTPA | | Galoob |
| Big Hearts Worth 20 Energy Points | GPKSSVZA | | Galoob |
| Small Heart Gives You 255 | NAKSXTPA | | Unknown Hacker |
| Big Heart Gives You 255 | NYKSSVZA | | Unknown Hacker |
| No Ordinary Damage | SZUIKLSA | | George Sicherman |
| No Damage From Floor Hazards | SKXGUYVG | | George Sicherman |
| No Damage From Medusa | SZSLAPSA | | George Sicherman |
| Invincible Against Enemies | OTXSVLON | This code also works against some obstacles. | Ugetab |
| Lava Restores Health | VVXGUYVG | This code reverses the effect of lava on your life. | Ugetab |
| Immune To Becoming An Egg Plant | AAUEVAPA | | Ugetab |
