Mega Man V Classic
Game Boy · cheat codes
Mega Man IV cheats & codes
63 codes for Mega Man IV on the Game Boy, including Game Genie, GameShark codes.
Mega Man IV 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 Lives | 01C-45F-915 |
| Start With 1/4 Energy | 269-F6F-808 |
| Start With 1/2 Energy | 4B9-F6F-808 |
| Start With 3/4 Energy | 709-F6F-808 |
| Infinite Energy | 001-CE9-3B7 |
| Start With 1 Lives | 01C-AEF-E66 |
| Start With 5 Lives | 05C-AEF-E66 |
| Start With 9 Lives | 09C-AEF-E66 |
| Invincible | 21F-EAA-E61 |
| Shoot More Than 3 Shots At A Time | 005-67B-A29 |
| Get Anything From Dr. Light Free | 00C-8F9 |
| Infinite Weapon Energy (Except For RC / RJ / PH / BR / BE) | 006-26B-A22 |
| Infinite RC Energy | FA2-629-4C1 |
| Infinite RJ Energy | FA6-529-4C1 |
| Infinite PH Energy | FAD-5AB-4C1 |
| Infinite BR Energy | FAA-B0B-4C1 |
| Infinite BE Energy | FA0-719-4C1 |
| Debug Menu | 1A7-8A8-E6E |
Mega Man IV GameShark codes
How to use: GameShark (sold as Action Replay outside North America) codes are entered on the device's menu or in your emulator's cheat menu. Some games need a "master code" or "must be on" code enabled first, so turn that on if a list includes one.
| Effect | Code |
|---|---|
| Infinite Energy | 0198AEDE |
| Infinite Weapon Modifier | 0198??DE |
| Have Weapon Modifier 1 | 01??ACDE |
| Have Weapon Modifier 2 | 01??ADDE |
| Infinite Lives | 010034DF |
| Fire A Constant Stream of Fully Charged Mega Buster Shots! | 01FF5ED7 |
| Infinite Weapon Power | 01002EC2 |
| Infinite P-Chips | 01033EDF
01E73DDF |
| Debug Menu! | 011A0ADF |
Mega Man IV 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 energy | 001-CE9-3B7 |
| Start with 1/4 energy | 269-F6F-808 |
| Start with 1/2 energy | 4B9-F6F-808 |
| Start with 3/4 energy | 709-F6F-808 |
| Infinite lives | 01C-45F-915 |
| Start with 1 lives | 01C-AEF-E66 |
| Start with 5 lives | 05C-AEF-E66 |
| Start with 9 lives | 09C-AEF-E66 |
| Invincible | 21F-EAA-E61 |
| Shoot more than 3 shots at a time | 005-67B-A29 |
| Infinite Energy | 0198AEDE |
| Infinite Lives | 010034DF |
| Jump In Midair | FA4-159-6EE
414-169-A27
E64-189-193
014-199-3B4
004-1C9-3BE
1C5-F99-3BA
185-FA9-4CA |
| One Hit Kill | 00A-64D-E6E |
| Invincibility | 001-469-F72 |
| Infinite Weapon Energy | 006-26B-A22
FA2-629-4C1
FAA-B0B-4C1
FAD-5AB-4C1 |
| Hit Anywhere | 111-CCE-D5A
181-CBE-08A |
| Infinite Weapon Energy (Except For RC / RJ / PH / BR / BE) | 006-26B-A22 |
| Infinite RC Energy | FA2-629-4C1 |
| Infinite RJ Energy | FA6-529-4C1 |
| Infinite PH Energy | FAD-5AB-4C1 |
| Infinite BR Energy | FAA-B0B-4C1 |
| Infinite BE Energy | FA0-719-4C1 |
| Debug Menu | 1A7-8A8-E6E |
| Infinite Weapon Modifier | 0198AFDE |
| Have Weapon Modifier 1 | 0102ACDE |
| Have Weapon Modifier 2 | 0101ADDE |
| Fire A Constant Stream of Fully Charged Mega Buster Shots! | 01FF5ED7 |
| Infinite Weapon Power | 01002EC2 |
| Debug Menu! | 011A0ADF |
| Skip Intro Screen | FA0-94B-D59 |
| Start with ?? Lives, instead of 3 - New Game | 04C-AEF-E66 |
| Start with ?? Lives, instead of 3 - Password Game | 042-0FB-E66 |
| Start With All Weapons | FFC-0FF-E6E
57C-13F-5D4 |
| Always Drop Item Modifier | 186-0BB-2AA
185-B0B-08A
015-ADB-E6E
005-ABB-809 |
| Disable Charge Shot Recoil | 18B-57A-4CA
27B-58A-F7E |
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.
Mega Man IV walkthroughs & guides
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Back to Mega Man IV: is it worth playing?
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.