Game Boy

Mega Man IV (USA, Europe)

27 cheats

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Cheats and tips

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Game Genie

Infinite Lives

CODE

Effect

Infinite Lives

Source : Libretro

Game Genie

Start With 1/4 Energy

CODE

Effect

Start With 1/4 Energy

Source : Libretro

Game Genie

Start With 1/2 Energy

CODE

Effect

Start With 1/2 Energy

Source : Libretro

Game Genie

Start With 3/4 Energy

CODE

Effect

Start With 3/4 Energy

Source : Libretro

Game Genie

Infinite Energy

CODE

Effect

Infinite Energy

Source : Libretro

Game Genie

Start With 1 Lives

CODE

Effect

Start With 1 Lives

Source : Libretro

Game Genie

Start With 5 Lives

CODE

Effect

Start With 5 Lives

Source : Libretro

Game Genie

Start With 9 Lives

CODE

Effect

Start With 9 Lives

Source : Libretro

Game Genie

Invincible

CODE

Effect

Invincible

Source : Libretro

Game Genie

Shoot More Than 3 Shots At A Time

CODE

Effect

Shoot More Than 3 Shots At A Time

Source : Libretro

Game Genie

Get Anything From Dr. Light Free

CODE

Effect

Get Anything From Dr. Light Free

Source : Libretro

Game Genie

Infinite Weapon Energy (Except For RC / RJ / PH / BR / BE)

CODE

Effect

Infinite Weapon Energy (Except For RC / RJ / PH / BR / BE)

Source : Libretro

Game Genie

Infinite RC Energy

CODE

Effect

Infinite RC Energy

Source : Libretro

Game Genie

Infinite RJ Energy

CODE

Effect

Infinite RJ Energy

Source : Libretro

Game Genie

Infinite PH Energy

CODE

Effect

Infinite PH Energy

Source : Libretro

Game Genie

Infinite BR Energy

CODE

Effect

Infinite BR Energy

Source : Libretro

Game Genie

Infinite BE Energy

CODE

Effect

Infinite BE Energy

Source : Libretro

Game Genie

Debug Menu

CODE

Effect

Debug Menu

Source : Libretro

GameShark

Infinite Energy

CODE

Effect

Infinite Energy

Source : Libretro

GameShark

Infinite Weapon Modifier

CODE

Effect

Infinite Weapon Modifier

Source : Libretro

GameShark

Have Weapon Modifier 1

CODE

Effect

Have Weapon Modifier 1

Source : Libretro

GameShark

Have Weapon Modifier 2

CODE

Effect

Have Weapon Modifier 2

Source : Libretro

GameShark

Infinite Lives

CODE

Effect

Infinite Lives

Source : Libretro

GameShark

Fire A Constant Stream of Fully Charged Mega Buster Shots!

CODE

Effect

Fire A Constant Stream of Fully Charged Mega Buster Shots!

Source : Libretro

GameShark

Infinite Weapon Power

CODE

Effect

Infinite Weapon Power

Source : Libretro

GameShark

Infinite P-Chips

CODE

Effect

Infinite P-Chips

Source : Libretro

GameShark

Debug Menu!

CODE

Effect

Debug Menu!

Source : Libretro

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