Space Invaders Classic
Nintendo Entertainment System · cheat codes
Operation Wolf cheats & codes
46 codes for Operation Wolf on the Nintendo Entertainment System, including Game Genie, Action Replay codes.
Operation Wolf Game Genie codes
How to use: Galoob's Game Genie plugged in between the console and the cartridge. Type the codes in on its start-up screen, then press Start. In emulators, add them through the cheat menu and choose the Game Genie format if asked.
| Effect | Code |
|---|---|
| Infinite Continues | IEVUNSPA |
| Never Die | AESSLZTL |
| Start On Mission 2 | PESZIGAA |
| Start On Mission 3 | ZESZIGAA |
| Start On Mission 4 | LESZIGAA |
| Start On Mission 5 | GESZIGAA |
| Start On Mission 6 | IESZIGAA |
| Infinite Magazines | AAVSIIPA |
| Infinite Grenades | AAEIATPA |
| Double Bullets In Each Magazine | GANIYIZA |
| Heal Completely Between Levels | NNESZALE |
| Grenades Inflict Double Damage | GANULZZA |
| Super Power Drinks | ZAELGPIE |
| Increase Magazines | PEVKVYYE
PAVSIIIE |
| Increase Grenades | PENGXYIE
PAVSIILE |
| Awful Music And No Enemies | OPPIST |
| Crashes At The First Movement Of Screen (While Playing) | ZZOOPP |
Operation Wolf Action Replay codes
How to use: Datel's Action Replay sat between the console and the game. Enter codes on its menu before starting the game, or paste them into your emulator's cheat menu.
| Effect | Code |
|---|---|
| Infinite Bullets | 5009 |
| Infinite Grenades | 5304 |
Operation Wolf Other codes
How to use: Additional codes collected by the community. Enter them through your emulator's cheat menu, choosing the format that matches your emulator.
| Effect | Code |
|---|---|
| Infinite continues | IEVUNSPA |
| Never die | AESSLZTL |
| Infinite magazines | AAVSIIPA |
| Infinite grenades | AAEIATPA |
| Double bullets in each magazine | GANIYIZA |
| Heal completely between levels | NNESZALE |
| Grenades inflict double damage | GANULZZA |
| Super power drinks | ZAELGPIE |
| Increase magazines | PEVKVYYE
PAVSIIIE |
| Increase grenades | PENGXYIE
PAVSIILE |
| Start on mission 2 | PESZIGAA |
| Start on mission 3 | ZESZIGAA |
| Start on mission 4 | LESZIGAA |
| Start on mission 5 | GESZIGAA |
| Start on mission 6 | IESZIGAA |
| Press Start to Complete Current Level | ZOOKAOUT |
| No Delay Between Shots | AAOZSIPL |
| Hit Anywhere | AIKEPZEI
PTKEZXTE |
| Infinite Bullets (One's Digit) | 0050:09 |
| Infinite Bullets (Ten's Digit) | 0051:09 |
| Infinite Grenades | 0053:09 |
| Infinite Ammo Rounds | 0052:09 |
| Infinite Damage | 0031:00 |
| Press Start To Reset Damage Bar | PUOKAOUT |
| Infinite Bullets | SZSSIISA |
| Take No Damage | SZOEVLVT
SXELZZSA |
| Take Less Damage | SZOEVLVT |
Using cheats today
Original cheat devices like the Game Genie, Action Replay and GameShark still turn up second-hand and work with original cartridges. Most modern emulators also have a built-in cheat menu that accepts these formats, so you can toggle codes on and off without extra hardware. Codes can differ between regional releases and revisions of a game; if one doesn't work, try the code list for another version.
Cheats can corrupt save files in rare cases, so back up your saves before experimenting.
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Cheat codes are from the libretro-database community collection, used under CC BY-SA 4.0; the code tables on this page are shared under the same license. Codes are provided as-is: some may not work on every version of the game.