- 001-CE9-3B7
Infinite energy - 269-F6F-808
Start with 25% energy - 4B9-F6F-808
Start with 50% energy - 709-F6F-808
Start with 75% energy - 01C-45F-915
Infinite lives - 01C-AEF-E66
Start with 1 lives - 05C-AEF-E66
Start with 5 lives - 09C-AEF-E66
Start with 9 lives - 21F-EAA-E61
Invincibility - 005-67B-A29
You can shoot more than 3 shots at a time
Mega Man IV - Game Genie Codes
The following are known Game Genie Codes for Mega Man IV on Nintendo Game Boy.
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