Game Boy · cheat codes
Mega Man III cheats & codes
66 codes for Mega Man III on the Game Boy, including Game Genie, GameShark, Xploder codes.
Mega Man III 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 |
|---|---|
| Start With 2 Lives | 02B-17F-E66 |
| Start With 6 Lives | 06B-17F-E66 |
| Start With 9 Lives | 09B-17F-E66 |
| Infinite Energy | 00C-099-3B7 |
| Laser Barriers Appear & Explode Immediately On Sparkman Stage | 009-77C-E6E |
| Takes 1 Hit To Kill Merciless Matt | 019-53C-F76 |
| Takes 15 Hits To Kill Merciless Matt | 0F9-53C-F76 |
Mega Man III 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 | 01EE9CDE |
| Infinite Weapon Energy Modifier | 01EB??DE |
| Infinite Lives | 010A08DD |
| Infinite RC | 01989DDE |
| Infinite SP | 01989EDE |
| Infinite GE | 01989FDE |
| Infinite SN | 0198A0DE |
| Infinite SH | 0198A1DE |
| Infinite PU | 0198A2DE |
| Infinite RJ | 0198A3DE |
| Infinite DI | 0198A4DE |
| Infinite SK | 0198A5DE |
| Infinite DR | 0198A6DE |
| Infinite DU | 0198A7DE |
| Select Level & Automatically Beat It | 011B4CDE |
| Have Weapon Modifier 1 | 01??9ADE |
| Have Weapon Modifier 2 | 01??9BDE |
| Fire A Constant Stream of Fully Charged Mega Buster Shots! | 018A55D7 |
| Infinite Weapon Power | 01002EC2 |
Mega Man III Xploder codes
How to use: Xploder (also sold as Xplorer) codes are entered on the device's menu or in an emulator that supports Xploder codes.
| Effect | Code |
|---|---|
| Unendlich Energie | $0DB9740D |
| Unendlich Leben | $0D240871 |
Mega Man III More 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 |
|---|---|
| Start with 2 lives | 02B-17F-E66 |
| Start with 6 lives | 06B-17F-E66 |
| Start with 9 lives | 09B-17F-E66 |
| Infinite energy | 00C-099-3B7 |
| Laser barriers appear and explode immediately on Sparkman stage | 009-77C-E6E |
| Takes 1 hit to kill Merciless Matt | 019-53C-F76 |
| Takes 15 hits to kill Merciless Matt | 0F9-53C-F76 |
| Infinite Energy | 01989CDE |
| Infinite Lives | 010A08DD |
| Infinite RC | 01989DDE |
| Infinite SP | 01989EDE |
| Infinite GE | 01989FDE |
| Infinite SN | 0198A0DE |
| Infinite SH | 0198A1DE |
| Infinite PU | 0198A2DE |
| Infinite RJ | 0198A3DE |
| Infinite DI | 0198A4DE |
| Infinite SK | 0198A5DE |
| Infinite DR | 0198A6DE |
| Infinite DU | 0198A7DE |
| Invincibility | 010139D7 |
| Moon Jump | 00E-459-80B
18E-6F9-A22
18E-709-5D4
0EE-719-4C1 |
| Jump In Midair | FAE-3F9-6EE
3FE-409-C43
E6E-429-193
01E-439-3B4
00E-469-3BE
1C0-028-3BA
180-038-4CA |
| One Hit Kill | 009-6ED-E6E
00F-25F-E6E |
| Infinite Weapon Energy | 002-35B-A22
FA4-88A-4C1
FA8-A9A-4C1 |
| Hit Anywhere | 18F-E5F-08A
11F-E6F-D5A
009-6ED-E6E
00F-25F-E6E |
| Infinite Energy | 01EE9CDE |
| Infinite Weapon Energy Modifier | 01EB9DDE |
| Select Level & Automatically Beat It | 011B4CDE |
| Have Weapon Modifier 1 | 01029ADE |
| Have Weapon Modifier 2 | 01019BDE |
| Fire A Constant Stream of Fully Charged Mega Buster Shots! | 018A55D7 |
| Infinite Weapon Power | 01002EC2 |
| Skip Intro Screen | FA8-0F9-D5D |
| Invulnerability | 00B-CE9-C4A |
| Infinite Lives | 00A-B1F-3BE |
| Start With All Weapons | FF8-6BF-E6E
578-6FF-5D4 |
| Always Drop Item Modifier | 18B-15A-08A
01B-12A-E6E
00B-10A-809 |
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.