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Mega Man IV
Box artwork for Mega Man IV.
Japanese titleロックマンワールド4
Developer(s)Minakuchi Engineering
Distributor(s)Nintendo eShop
Release date(s)
Game Boy icon.png
Game Boy
Flag of the United States.svg December, 1993
3DS Virtual Console icon.png
3DS Virtual Console
System(s)Game Boy, Nintendo 3DS VC
Mode(s)Single player
ESRB: ESRB E.png Everyone
Preceded byMega Man III
Followed byMega Man V
SeriesMega Man
Neoseeker Related Pages
TwitchMega Man IV Channel
YouTube GamingMega Man IV Channel
For the NES game, see Mega Man 4.

Mega Man IV, known as Rockman World 4 (ロックマンワールド4 Rokkuman Waarudo Foo?) in Japan, is a platformer developed by Minakuchi Engineering and published by Capcom for the Game Boy. It is the fourth installment in the handheld Mega Man series.

Mega Man IV features the traditional action platforming gameplay of the prior games while introducing one new feature, the ability to purchase items with power-ups found throughout each stage. As with previous Game Boy releases, the game incorporates gameplay elements and bosses from two sequential NES games: Mega Man 4 and Mega Man 5. The game has received a warm critical reception. In 2013, Mega Man IV was made available on the 3DS Virtual Console of Japan's Nintendo eShop for the Nintendo 3DS. It was later released in the North American eShop the following year.


The game continues the quest of the protagonist Mega Man in a never-ending struggle with his long-time nemesis Dr. Wily, who sends out a disruptive radio signal to cause a rampage, city-wide destruction from dorment robots.

The plot of the game one again involves the protagonist Mega Man trying to thwart the world domination plans of the infamous Dr. Wily. On a seemingly peaceful day in a large city, Wily appears in the sky in his flying saucer and sends out a radio transmission that causes all the robots at the annual Robot Master Exposition to go on a rampage. He then sends eight new rebuilt robots of his own to different parts of the city to lead the destruction. Having resisted this reprogramming signal, Mega Man responds by defeating all four of these previous foes in battle and chases Wily to a large tank. Inside the tank, the hero encounters Ballade, yet another robot specially designed to kill him. Mega Man defeats this new enemy, pursues the remaining enemies in the city, and returns to the tank. There, he has a victorious rematch with Ballade, only to see Wily quickly retreat to his space station. Dr. Light fits Mega Man's companion Rush with a space flight ability, allowing the hero to lead a one-man assault on Wily's new stronghold.[1] Mega Man beats Wily, but is unable to blast his way out of the exploding space station. At the last moment, Ballade arrives and self-destructs in repentance, creating a hole through which Mega Man can safely escape.[2]


  • Title screens
  • Box artworks


  1. Dr. Light: Listen up, Mega Man! Wily has escaped to his secret space ship. While I modify Rush for use in outer space, you better make as many items as possible. Good luck, Mega Man!
  2. Mega Man: Stop, Ballade!! You're badly injured! Ballade: I know, Mega Man. After our battle, I realized that I was wrong. This is all I can do for you now. Good bye...}}

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