Enjoy the cheats and keep checking back. There'll be much much more.
| Astyanax (NES) |
| Infinite Spell Energy | AUEKGUAP |
| Infinite Life Energy | SZUGTISA |
| Double Life and Spell Energy | AZKAVZGO |
| Begin with 1 life | AEUEUGAZA + AASAXZZA |
| Begin with double lives | IEUEUGZA + IASAXZZA |
| Begin with triple lives | AEUEUGZE + AASAXZZE |
| Start with Blast Spell | PAKEKZAA |
| Start with Bind Spell | ZAKEKZAA |
| Start with Extra Weapon Power | GPKAXZGA |
| Keep weapons after death | SZUGEUVK |
| Bad Dudes (NES) |
| Invincibility | APEETPEY |
| Infinite Lives | SZNKASVK |
| Infinite Continues | GXOKASVK |
| Start with 1 life and 1 continue | PENXYZLA |
| Start with Double Lives and Continues | TENXYZLA |
| Start with Triple Lives and Continues | PENXYZLE |
| Get Twice as much Life Back from Drinks | PESAIYIE |
| Bad Street Brawler (NES) |
| Infinite Lives | OZOIYVPK |
| Start with 1 life | PAXITALA |
| Start with 6 lives | TAXITALA |
| Start with 9 lives | PAXITALE |
| Start on level 5 | GEUZZYAA |
| Start on level 10 | PEUZZYAE |
| Start on level 15 | TEUZZYAE |
| Increase Energy | YENIZNZE |
| Don't Die at Time Out | SZOITNVK |
| Bart vs. the World (NES) |
| Invincible | ZOXVGLIE |
| Batman (NES) |
| Infinite Lives | SZUGGTVG |
| Start with 1 life | AEESKGZA |
| Start with 6 lives | IEESKGZA |
| Start with 9 lives | AEESKGZE |
| Hearts give extra energy | GEEPOTPA |
| Infinite Pellets after pick-up | GZNOUGST |
| Double Usual Pellets on pick-up | GPSPXVZA |
| Half Usual Pellets on pick-up | IASPXVZA |
| Battletoads (NES) |
| Infinite Lives | GXXZZLVI |
| Start with 9 lives | PENVZILE |
| Fast Punching | AEUZITPA |
| Super Jumping | EYSAUVEI |
| Level 6 | TAXAALAA |
| Level 8 | AAXAALAE |
| Level 10 | ZAXAALAE |
| Level 12 | GAXAALAE |
| Dark Queen's Tower | PYXAALAE |
| Batman: Return of the Joker (NES) |
| Infinite Lives | SZXSZSVK |
| Start with 100 lives | GVXILGZA |
| 7 backcap energy capsules | GEOSPKVN |
| Captain Planet and the Planeteers (NES) |
| Infinite Lives (outside) | SXNLYVVK |
| Infinite Lives (inside) | SZSUGVVK |
| Start inside Lev.1 | AANVAEGZ |
| Infinite power (outside) | SZNXGXVK+SZVXPKVK |
| Infinite power (intside) | SXXXEUVK+SZEUGKVK |
| Double Dragon (NES) |
| Freeze Timer | AAUNYLPA |
| Start With 1 Life | AEUTLZZA |
| Start With 6 Lives | IEUTLZZA |
| Start With 9 Lives | AEUTLZZE |
| Start With 12 Lives | IEUTLZZE |
| V.S. Mode: More enger For player 1 | XTKYOEZK |
| V.S. Mode: More enger For player 2/CPU | XTKNXEZK |
| Fast Timer | AZUYZLAL |
| Really Fast Timer | APUYZLAL |
| Guerilla War (NES) |
| Infinite Lives | SLTKOV |
| Start with 1 life | AELGVP |
| Start with 6 lives | IELGVP |
| Start with 9 lives | PELGVO |
| Ikari Warriors II (NES) |
| Maximum power energy on pick-up | OZUXVEPV + GAUXNAPA |
| No damage from most enemies | GXOLYLST |
| Start game with half energy | AUNYIYAT |
| Metroid (NES) |
| Minimum Energy of 30 | SXSGNVSE |
| Infinite Rockets on Pick-Up | SZUILUVK |
| Gain 10 Rockets on Pick-Up | ZENSXLIE |
| Gain 15 Rockets on Pick-Up | YENSXLIE |
| Extra Energy | YAXGVPLA |
| Renegade (NES) |
| Infinite Lives | SXUIOTVG |
| Start with 1 life | AEOSLYZA |
| Start with 6 lives | IEOSLYZA |
| Start with 9 lives | AEOSLYZE |
| Start with energy boost | AIUOZUAZ |
| Start on Mission 2 | PEXSYYAA |
| Start on Mission 3 | ZEXSYYAA |
| Start on Mission 4 | LEXSYYAA |
| Fast Timer | TOSVOXTU |
| Slow Timer | EXSVOXTL |
| River City Ransom (NES) |
| Double your stats from the start | TOSNAVYE |
| Stamina at 99 | LVNYIVYL |
| Player 1 starts with double money | AGENAYAZ |
| Player 2 starts with double money | AGOYYYAZ |
| Player 1 starts with $100 extra | PAENIYAA |
| Player 2 starts with $100 extra | PAONGYAA |
| Section Z (NES) |
| Infinite Lives | SXOPUIVG |
| Start with 1 Life | PEXSIZLA |
| Start with 6 Lives | TEXSIZLA |
| Start with 9 Lives | PEXSIZLE |
| Energy tube gives full energy boost | ZAUNUZAE |
| Auto-fire Capability | NNNOUTSY |
| Snow Brothers (NES) |
| Near Invinciblity | PEOPLE |
| Infinite chances | SXNEUYVI |
| 10 chances | PAXXPLZE |
| 1 chances | AAXXPLZA |
| Only one of these Snow Bros. codes can be used at a time. |
| Speed Skates | PAEEYAAA |
| Power Shots | ZAEEYAAA |
| Super Throw | GAEEYAAA |
| All Power-Ups | YAEEYAAE |
| Teenage Mutant Ninja Turtles 3 (NES) |
| Gain life from defeating enemies | AAAEAU |
