Contra Cheats & Codes — NES
79 cheat codes for Contra on the Nintendo Entertainment System, covering Game Genie, RAM (emulator) (USA · Japan).
Game Genie codes (USA)42 codes
Show all 42 Game Genie codes
| Effect | Code |
|---|---|
| Start New Life With Fireball Gun | ZEIIXZ |
| When You Die You Get An Extra Life | NYAIUZ |
| Tons Of Points For Shooting Enemies | SXZGYK |
| 1st Boss Harder To Kill | EPTILE |
| When The Bridge Explodes, You Can Still Walk On It | EOGKPN |
| Weapon Capsules Fly By Slower | OIGEAU |
| Bullets Will Travel Thru Weaker Enemies | KOYVAL |
| Your Bullets Will Auto-Hit Any Enemy | KOYTAK |
| Kill Any Enemy Or Boss With 1 Shot (Except For Base 1 And 2 Bosses) | KOYTAL |
| Characters Can Walk On Water | SLPVIA |
| Removes Lifebar Indicators | GOTGET |
| Play Game In Black And White Mode | OZNKTASX + YPNKYEVN |
| P1 And P2 Start With 30 Lives | IPVGZGZE |
| P1 And P2 Has The 30 Lives Cheat Activated | AAVGTGZA |
| Activating The 30 Lives Cheat Gives You 99 Lives | LTVKAKIP |
| Start with infinite lives | SLAIUZ |
| Keep weapons after losing a life | GXIIUX |
| Become invincible (enemies don't shoot at you) | SLTIYG |
| Start new life with machine gun | PEIIXZ |
| Start new life with spread gun--DON'T USE CODE 6 WITH CODE 1 AND 2 | LEIIXZ |
| Start new life with laser | GEIIXZ |
| Infinite Lives | SZEIUZVI |
| Invincibility | SXKVPZAX |
| Start On Level Modifier | PANGIGAA + ALNKPKYL |
| Jump In Midair | AZNITGSL + NPNIYGEU + VINSAGEY + XTNSPKAE + SUEIAGVI + SUVSOPSP + ATKSZSOZ |
| Hit Anywhere | GZNVYLEL + ESEVALEP + GXXTPLEL + SXKTYLAX |
| Press Select To Change Weapons | GGKIZAKX + ZPKILAIZ + VYKIGAEI + KZOYZVNY + IZOYLVNY + EYOYGVNY + LAOYIVNY + GGOYTVNN + LIOYYVNY + EIONAVNY + PZONPVNN + AZONZVNY + EYONLVNY + TAONGVNN + SZONIVNY + XZONTVNN + PZONYVNN + YAXYAVNY + OGXYPVNN + GAXYZVNY + EIXYLVNY + ZAXYGVNY + OZXYIVNN + PTXYYVNN + PAXNAVNY + SAXNPVNY + XZXNZVNN + SZXNLVNY + SYXNGVNY + GGXNIVNN + TGXNTVNY + EIXNYVNY |
| One Hit Kills | AETVZL + APAXZA + APAEUY |
| Invincible | AAVITGIA |
| Run 2X As Fast | ZASSIYPA + VYVIPNNN |
| Run 4X As Fast | GASSIYPA + KYVIPNNN |
| Turn Off Electric Barrier in Base Areas | ALSKXIEY |
| Press Start to Complete Current Level | LLKSIAIX |
| Jump Higher | XNVSPVUN + UNVSYVKN |
| Enemies Die Automatically | OZSVALEN + ZGVTAUPZ + AENTPUAA |
| Weapon Upgrades Give An Extra Life | VEVVTXOZ + ZEVVYXZA + ONNTIZEZ |
| Get Weapon Upgrades From Anywhere | AISVZZEP |
| Start New Life With Spread Gun (6 to 8 character conversion) | LESIXZAA |
| Shots Pierce Through Enemies | SXKTYLAX |
| Skip Title Screen Scroll | AANKTZPL |
| DPCM Pop Reducer | SUKAKESE |
| Start With Super Body | ELUSIIEG |
RAM (emulator) codes (USA)16 codes
| Effect | Code |
|---|---|
| Totally Invincible P1 | 00AE:41 |
| Infinite Lives P2 | 0033:09 |
| Enable 30 Lives Option | 0024:01 |
| Weapon Modifier P2 | 00AB:00 |
| Shoot Enemies, Literally! | 0368:27 + 0369:27 + 036A:27 + 036B:27 |
| Alternate Invincible | 0090:01 |
| Walk On Water | 00B2:00 |
| Level Modifier | 0030:00 |
| Invincible | 00AE:77 |
| Choose Your Weapon! (All Rapid Fire!) | 00AA:16 |
| Infinite Lives P1 | 0032:09 |
| Invincible P1 (Flashing) | 00AE:4D |
| Invincibility (Star Effect) (Player 1) | 00B0:FE |
| Invincible P2 (Flashing) | 00AF:4D |
| Invincibility (Star Effect) (Player 2) | 00B1:FE |
| Difficulty Modifier | 0031:02 |
RAM (emulator) codes (Japan)10 codes
| Effect | Code |
|---|---|
| Infinite Lives P1 | 0032:02 |
| Infinite Lives P2 | 0033:02 |
| Invincibility P1 | 0090:01 |
| P1 Infinite Lives | 0032:0F |
| P2 Infinite Lives | 0033:0F |
| P1 Have Weapon Modifier | 00AA:00 |
| P2 Have Weapon Modifier | 00AB:00 |
| P1 Invincible | 00B0:01 |
| P2 Invincible | 00B1:01 |
| Kill Any Enemy Or Boss With One Hit, Any Weapon | 057D:01 + 057E:01 + 057F:01 + 0580:01 + 0581:01 + 0582:01 + 0583:01 + 0584:01 + 0585:01 + 0586:01 + 0587:01 + 0588:01 + 0589:01 + 05F5:01 + 05C7:01 |
Game Genie codes (USA) — set 26 codes
| Effect | Code |
|---|---|
| Infinite lives | SLAIUZ |
| Keep weapons after losing life | GXIIUX |
| Enemies will ignore you | SLTIYG |
| Get Machine Gun after dying | PEIIXZ |
| Get Fire Gun after dying | ZEIIXZ |
| Get Spray Gun after dying | LEIIXZ |
Game Genie codes (Japan)5 codes
| Effect | Code |
|---|---|
| Infinite Lives | SZUSOPVI |
| Invincibility | SXNVZPAX |
| Infinite Lives | SLUSOPVI |
| P1 & P2 Invincible | NNXIALAE |
| Enable Level Select | AIOGZPEY |
How to enter the codes
Most of these codes are for cheat devices or emulators. In RetroArch any table works via Quick Menu → Cheats → Load Cheat File (the NES core ships with libretro-database), or add codes one by one.
Game Genie: plug the cartridge into the Game Genie, then the Game Genie into the console. Enter up to three codes on the start-up screen and press Start.
Emulator RAM codes (address:value): in RetroArch open Quick Menu → Cheats → Add New Code, or load the matching .cht file from libretro-database.
Code data from libretro-database, used under CC BY-SA 4.0. Region and version labels follow the original ROM naming.