Mega Man IV Passwords (Game Boy)

Mega Man IV Home PageGame Boy Game Catalog

Instructions

Select the Password option on the title screen then enter one of the passwords below. This game uses a coordinate system (as shown in the screenshots) that come with each password. The first letter in each coordinate represents one of the columns on the password entry grid, while the number is associated with a row. The third character in the coordinates can be E, R, or B and must be entered by pressing the A Button. To change characters, press B. You can overwrite mistakes by selecting the blank space or a different character and entering it by hitting the A Button. Press Start to begin the game when you are finished.

1. First Four Robot Masters Defeated

C1E D1B E1E F1E

A2B B2R C2R D2R F2E

A3E B3B D3E

B4E C4B D4E E4R F4B

The first four Robot Masters have been defeated in this password. Start with 5 lives, 3 E-Tanks, the letters B,E, and A. Mega Man also has 164 P-Chips.

2. Dr. Wily’s Tank Defeated

B1R C1R D1E E1B F1B

B2R C2R E2B F2R 

A3E B3B C3B D3R E3E F3E

A4R B4E D4R F4B

Start on the second set of Robot Masters with the letters B,E, and A. Mega Man will have 3 Energy Tanks and 164 P-Chips.

3. Second Set of Robot Masters, Crystal and Napalm Man Defeated 

A1B B1B C1E D1B E1R

A2R E2R F2E

A3B B3E C3B E3E F3B

B4B C4B D4B E4B F4R

Begin in the second set of bosses, with Crystal and Napalm Man already defeated. Mega Man will have six lives and 266 Chips. He will also have the letters B, E, A, and I.

4. Dr. Wily’s Castle

A1E B1R C1R D1E E1E

A2B B2R C2E E2B F2E

A3E B3E C3R E3R

A4B B4R C4B D4E E4B

This password includes 3 E-Tanks and 4 lives for Mega Man. It’s worth noting that you cannot actually enter Wily’s Castle with this code until you collect the rest of the letters, which can be found in the Robot Master stages.

The preceding passwords, which originally appeared in Nintendo Power, have been compiled and transcribed to this site for the sake of posterity as well as for the convenience of our visitors. They have been tested thoroughly for accuracy. Feel free to contact us if you have problems getting these cheats to work or know something we do not.

More Resources

Looking for more cheats? Try the links below.

https://www.rocketnia.com/password-cracks/

Thanks for using our Mega Man IV (GB) Passwords! 

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