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Mega Man IV

Cheats, codes, hints, tips, tricks, Easter eggs and game help

This title is also known as:

Bonus Levels

Doctor Light will give you a Super Blaster if you lose a life 4 times in a row in the exact same location, then continue.

All weapons and items

To start the game with all weapons and items, enter this code:

1 2 3 4 5 6
A Red Dot - - Red Dot - -
B - - - - Red Dot -
C - - - - - -
D - - - - - -
E - Red Dot - - - -
F Red Dot - Red Dot - - -

Passwords

EffectPassword
Toad Man
1 2 3 4 5 6
A - red dot - - red dot red dot
B red dot - - - - -
C - - - - - -
D red dot - - - - -
E - - red dot - - -
F - - - - - -
Bright Man
1 2 3 4 5 6
A red dot - - - red dot -
B - - - red dot - -
C red dot - - - - -
D red dot - red dot - - -
E - - - - - -
F - - - - - -
Pharaoh Man
1 2 3 4 5 6
A red dot - - - red dot -
B - - - red dot - -
C red dot - - - - -
D red dot - red dot - - -
E - - - - - -
F - - - - - -
Ring Man
1 2 3 4 5 6
A red dot - - - - -
B - - - red dot - red dot
C - - red dot - - -
D red dot - red dot - - -
E - - - - - -
F - - - - - -
Dust Man
1 2 3 4 5 6
A red dot - - - - -
B - - - red dot red dot -
C - - - - - red dot
D red dot - red dot - - -
E - - - - - -
F - - - - - -
Skull Man
1 2 3 4 5 6
A red dot - - - - -
B - - - red dot red dot -
C - - - - - -
D - red dot red dot - - -
E - - - - - -
F - red dot - - - -
Dive Man
1 2 3 4 5 6
A red dot - - - - -
B - - - red dot red dot -
C - - - - - -
D - - - - - -
E - red dot - - - red dot
F - - red dot - - -
Drill Man
1 2 3 4 5 6
A red dot - - red dot - -
B - - - - red dot -
C - - - - - -
D - - - - - -
E - red dot - - - -
F red dot - red dot - - -
Dr. Cossack's Castle
1 2 3 4 5 6
A red dot - - red dot - -
B - - - - red dot -
C - - - - - -
D - - - - - -
E - red dot - - - -
F red dot - red dot - - -

Game Genie Codes

Some of these codes may not work when other codes are entered.

This cheat requires the Game Genie cheat device.

EffectCode
Infinite LivesSZUGUAVG
Begin the game with 9 livesAAUKZIZE
Begin the game with 6 livesIAUKZIZA
Begin the game with 1 lifeAAUKZIZA
Take no damage from enemiesGXVEIPSA
Infinite EnergyEUNGZAEP
Infinite energy pods on pick-upGXNPZTVG
Infinite weapon powerGXENESOO
Infinite Rush JetXUNGZAEP
Infinite Rush MarineUUNGZAEP
Infinite Rush CoilOUNGZAEP
Infinite WireSUNGZAEP
Infinite BalloonsVUNGZAEP
Infinite Time StopperKUNGZAEO
Infinite Dive MissileNUNGZAEP
Infinite Skull BarrierSUNGZAEO
Infinite Ring BoomerangEUNGZAEO
Infinite Drill BombsOUNGZAEO
Infinite Rain FlushKUNGZAEP
Infinite Dust CrusherXUNGZAEO
Infinite Pharaoh ShotUUNGZAEO
Instant mega-blastAEOAIEPA
Longer slidingYXEAIOZO
Shorter slidingZOEAIOZP
Faster slidingGEOAGPZA
Faster runningZANKPTPA + ZEVALLPA
Higher JumpingAAKEYPIE
No musicEKNGZAEP

Hint: Hidden balloon

To find the hidden balloon, go across the top part of Pharoah Man's level but do not enter the pit when it appears. Instead, use Rush to get across it, then go right and you will reach more quicksand. Keep going to reach some platforms. There will be a small container marked with a B. This is the balloon.

Hint: Hidden wire

To find the hidden wire, begin game play on Dive Man's level. Fall into the small pit that appears soon after the continue point. Avoid the spikes that line the walls and fall all the way down. A container marked W can be found once you reach the bottom. This is the wire.

Hint: 2-in-1 Pharaoh Buster

After the Pharaoh Buster is charged you can run it into an enemy, and when its gone, release the button and shoot it again.

Hint: Defeating Dr. Wily in the final battle

Most weapons are not effective against Dr. Wily in the final battle. Only two are effective - the Pharaoh Shot and Ring Boomerang. The Pharaoh Shot works the best. You can charge it up by pressing B and release it in six directions. When it is charged you can run into Dr. Wily with the power-up shot above your head, then shoot it again by releasing B. You will be able to defeat Dr. Wily with the Ring Boomerang, but it takes a lot longer and you must not miss him at all. After defeating Dr. Wily, the game will end.

Hint: Boss weaknesses

BossWeakness
Bright ManRain Flush
Dive ManSkull Barrier
Drill ManDive Missile
Dust ManRing Boomerang
Pharaoh ManFlash Stopper
Ring ManPharaoh Shot
Skull ManDust Crusher
Toad ManDrill Bomb
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