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Mega Man 4

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Mega Man 4
North American cover art
North American version cover art
Director(s)Yoshinori Takenaka
Producer(s)Tokuro Fujiwara
Programmer(s)Tadashi Kuwana
  • Keiji Inafune
  • Hayato Kaji
  • Kazunori Tazaki
Composer(s)Minae Fujii
SeriesMega Man
Platform(s)Nintendo Entertainment System, PlayStation, Mobile phone, Android, iOS
December 6, 1991
  • Famicom / NES
    Mobile phone
    Android, iOS
    • WW: January 5, 2017[6]
Genre(s)Action, platform

Mega Man 4[a] (stylized as MEGA MAN IV) is an action-platform game developed by Capcom for the Nintendo Entertainment System. It is the fourth game in the original Mega Man series and was originally released in Japan in 1991. The game was localized in North America the following January, and in Europe in 1993.

The game's story takes place after the third defeat and supposed death of Dr. Wily in Mega Man 3, and features the Earth coming under threat from a mysterious scientist named Dr. Cossack and his eight "Robot Masters". Fearing the worst, Dr. Light sends Mega Man to save the world once again. Mega Man 4 carries on the same action and platforming gameplay as the first three games, in which the player completes a series of stages in any order and adds the weapon of each stage's boss to Mega Man's arsenal. One notable added feature is the "New Mega Buster" (often shortened to "Mega Buster"), an upgraded arm cannon that lets the player charge a regular shot into a much more powerful blast. The development team was mindful that this innovation would change the overall feel of the game.

Similarly to its predecessors Mega Man 4 was remade for PlayStation in Japan. In later years it appeared on mobile phones and as part of game compilations, including Mega Man Anniversary Collection. The emulated versions were also released through PlayStation Network and Virtual Console. A sequel, Mega Man 5, was released in 1992.


Mega Man 4 takes place in an unspecified year during the 21st century, described as the year "20XX". One year after the events of Mega Man 3, a mysterious Russian scientist named Dr. Cossack unleashes an army of robots with the intention of world domination, much like Dr. Wily before him. Dr. Light calls upon his own greatest creation, the hero Mega Man, to go after Cossack's Robot Masters, who have seized control of eight cities.[7] He also equips Mega Man with the New Mega Buster, which he developed in secret.[8]

Upon defeating the eight Robot Masters — Toad Man, Bright Man, Pharaoh Man, Ring Man, Dust Man, Skull Man, Dive Man, and Drill Man — Mega Man makes his way to Cossack's icy fortress. However, in the middle of his battle with Cossack, Mega Man's brother Proto Man teleports in with Cossack's daughter, Kalinka. The girl begs Mega Man to stop fighting her father and elaborating that Dr. Wily had kidnapped her and forced her father into building an army of robots.[9] With Wily's plan undone by Proto Man, he steps out of the shadows.[10] Mega Man pursues his nemesis and fights through the scientist's Wily Castle, but Wily manages to escape in the end. Mega Man escapes as the fortress begins to self-destruct, and rides home on the top of a passing train, where he is greeted by Roll and Rush.


Mega Man fires a Mega Buster blast at Toad Man. Holding down the firing button charges the arm cannon to release a powerful shot.

Mega Man 4 features similar gameplay to the previous three games.[11] The player must complete a series of eight stages in an order of the player's choosing. The protagonist, Mega Man, is able to run, jump, shoot, and climb his way past obstacles and enemies; the game also retains the slide ability which debuted in Mega Man 3. At the end of each stage is a Robot Master boss. Upon defeating a Robot Master, Mega Man gains the Robot Master's signature weapon, which can then be used by the player in subsequent stages.[11][12] Once all eight Robot Masters are destroyed, two separate sets of linear stages must be completed to finish the game. One major addition to the gameplay in Mega Man 4 is the "Mega Buster", an upgraded version of Mega Man's arm cannon. By holding down the firing button, the player can now charge a shot, resulting in a blast far more powerful than the standard shot.[10][11][12][13] This feature was later used in subsequent incarnations of the franchise.[14]

The hero's dog Rush makes a return from Mega Man 3 with the ability to transform into "Coil", "Jet", and "Marine" modes for navigating different environments.[11][12] Aside from Rush, two additional support items called the "Wire Adaptor" and the "Balloon Adaptor" also aid the player in reaching areas not normally accessible. However, these hidden adaptors must be found in the stages rather than being awarded for defeating a Robot Master.[10][11][13] Like the Master Weapons, the three Rush modes and the two adaptors are each limited to an amount of weapon power that drains when in use. The character "Flip Top" Eddie is introduced in Mega Man 4. Eddie, who went on to appear in later Mega Man games, provides the player with a random item (such as health, ammunition, or an E-Tank) at designated points in some of the levels.[10][12]


Mega Man series artist Keiji Inafune, credited as "Inafking", stated that the development team had very few problems while working on Mega Man 4.[15] Inafune designed Dr. Cossack and Kalinka as two new storyline characters for the game. Cossack, who was originally named "Dr. Vice", was made much younger than Dr. Light and Dr. Wily. Inafune also considered giving him American traits, but decided upon influences from Russia instead.[2] Kalinka was created because so many male characters already existed in the series at this point. However, Inafune did not intend for players to compare her to Mega Man's sister Roll.[2] The idea for Eddie originally came about during the development of Mega Man 2. Eddie was designed as a supporting character that "would behave like a lottery", either pleasantly surprising or disappointing the player with the item he gives Mega Man.[2]

Mega Man 4 was the first game in the series for Hayato Kaji, credited as "K. Hayato", a prominent designer for many later Mega Man games. Kaji was responsible for the chargeable Mega Buster, a gameplay mechanic that would become a staple of the series.[2] "We knew adding a two-level or three-level charge would change the whole flavor of the game in some respects, and we were very mindful of that," Inafune explained.[2] The Robot Masters in Mega Man 4 are a result of a design contest for fans held in Japan. With over 70,000 character submissions, the development team spent an extended period of time narrowing them down to only eight bosses.[2] According to Kaji, the team was very satisfied with many of the chosen designs and almost no changes were made to their original illustrations. They were so impressed with Skull Man that they scrapped an entire level being created just so they could restart it and devote it to that Robot Master.[2] The winning eight contestants of the design contest were each issued a special "golden cartridge" edition of Mega Man 4. As there are only eight of these cartridges in existence, they are extremely rare and fetch a large collector's price today.[16] The musical score for Mega Man 4 was composed by Minae Fujii, credited as "Ojalin", while the sound programming and sound effects were handled by Yasuaki Fujita, credited as "Bun Bun", who had composed the soundtrack for Mega Man 3 the previous year.[17]

Reception and legacy[edit]

Mega Man 4 has received mostly positive critical reviews. Reviews contemporary with the game's release by the United States magazine Nintendo Power and the United Kingdom publications Nintendo Magazine System and Total! all found Mega Man 4 to have high quality graphics, sound, and gameplay.[3][19][21] However, they also noted very little improvement over previous entries in the series. GamePro was satisfied with the lack of changes. "Mega Man 4 continues the tradition — crazed robot baddies, good character graphics, great background art and warped, mechanical music," the reviewer said. "When you have a good game, why make radical changes? Capcom sticks to the blueprints in Mega Man 4 — guaranteeing happiness for Mega Man fans everywhere."[13] Mega Man 4 made it into IGN's "Top 100 NES Games" list at number 95, with staff writer Matt Casamassina praising its attempt at better narrative and an essentially similar experience to the first three Mega Man games.[24] Lucas M. Thomas of IGN stated that, as a stand-alone title, the game is one of the best experiences available from the NES library, although not when compared to its superior predecessors. He enjoyed the use of a second set of castle levels to significantly extend the length of the game, a tradition carried on by the next two titles in the series.[20]

Numerous video game journalists and enthusiasts including Thomas, Craig Skistimas of ScrewAttack, GameSpot editors Christian Nutt and Justin Speer, and 1UP.com's Jeremy Parish, refer to the fourth installment as a turning point for the quality of titles in the Mega Man series.[14][20][25][26][27] Nutt and Speer admitted that the series was beginning to deteriorate with this game, likely due to the growing reputation of the more powerful Super Nintendo Entertainment System at the time of its release.[26] Parrish proclaimed, "Here's where the series starts to go off the rails a bit -- the Dr. Wily fake out was silly, the music was terrible, the bosses and weapons were uninspired, and the ability to charge up the Mega Buster is often cited as a game-breaking innovation."[27] Thomas identified the chargeable Mega Buster as disrupting the balance of the game and rendering many of the Master Weapons useless, one of the concepts that set the Mega Man games apart from other action-platformers.[14][20]

Mega Man 4 was re-released for the PlayStation as part of the Rockman Complete Works series in 1999.[4] This version of the game features a special "navi mode" that guides players through each level and has arranged music remixes.[28] A port of the Complete Works edition was released on the PlayStation 2 and GameCube in 2004 and the Xbox in 2005, as part of the North American-exclusive Mega Man Anniversary Collection.[29][30] The NES version has also been re-released on Japanese i-mode mobile phones in 2005, worldwide on the Wii's downloadable Virtual Console service in 2010, and on the Japanese PlayStation Network in 2011.[5][31][32][33][34]

A fanmade ROM hack of Mega Man 4 known as Rockman 4 Minus Infinity (R4MI) was released in mid-2012.[35] Created by developer PureSabe, the ROM hack has received positive reception for its extreme difficulty and creative transformation of the original game's source material.[35][36]


  1. ^ known in Japan as Rockman 4: Aratanaru Yabou!! (ロックマン4 (あら)たなる野望(やぼう)!!, Rokkuman 4 Aratanaru Yabou!!, lit. "Rockman 4: A New Ambition!!")


  1. ^ Nintendo staff. "NES Games" (PDF). Nintendo. Archived from the original (PDF) on December 21, 2010. Retrieved September 24, 2011.
  2. ^ a b c d e f g h Mega Man: Official Complete Works. Udon Entertainment. January 6, 2010. pp. 22–7. ISBN 978-1-897376-79-9.
  3. ^ a b c Nintendo Magazine System staff (July 1993). "Review: Mega Man 4". Nintendo Magazine System. No. 10. EMAP. pp. 82–4. ISSN 0965-4240.
  4. ^ a b Mega Man: Official Complete Works. Udon Entertainment. January 6, 2010. pp. 100–7. ISBN 978-1-897376-79-9.
  5. ^ a b Osamu, Takizawa (September 1, 2005). "カプコン、iモード「ロックマン4」や「バイオハザード ストーリーズ」新シナリオなどを配信" [Capcom releases, i-mode "Rockman 4 and Biohazard: The Stories scenarios] (in Japanese). Game Watch. Archived from the original on April 6, 2012. Retrieved May 1, 2010.
  6. ^ Dotson, Carter. "'Mega Man' 1-6 Releasing for iOS and Android on January 5th". Touch Arcade. Archived from the original on December 31, 2016. Retrieved December 30, 2016.
  7. ^ Rockman 4 Aratanaru Yabō!! manual, December 1991, Capcom.
  8. ^ Capcom (December 1991). Mega Man 4 (Nintendo Entertainment System). Capcom. Narrator: Dr. Cossack, a mysterious scientist, has invented eight powerful robots and sent them after Mega Man. Mega Man starts for the battle again, this time equipped with the powerful New Mega Buster!!
  9. ^ Capcom (December 1991). Mega Man 4 (Nintendo Entertainment System). Capcom. Kalinka: Please Mega Man don't!! My father is not really evil. Dr. Wily took me hostage and forced my father to fight you. Please Mega Man, don't hurt my father any more.
  10. ^ a b c d Nintendo Power staff (January 1992). "Mega Man 4". Nintendo Power. No. 32. Nintendo of America. pp. 8–15. ISSN 1041-9551.
  11. ^ a b c d e Electronic Gaming Monthly staff (December 1991). "Nintendo Player: Mega Man IV". Electronic Gaming Monthly. No. 29. Ziff Davis. pp. 192–5. ISSN 1058-918X.
  12. ^ a b c d Capcom, ed. (January 1992). Mega Man 4 Instruction Booklet. Capcom Entertainment, Inc. pp. 6–15. NES-4V-USA.
  13. ^ a b c d Charlie T. Asian (December 1991). "ProReview: Mega Man 4". GamePro. No. 29. Infotainment World, Inc. pp. 24–5. ISSN 1042-8658.
  14. ^ a b c Thomas, Lucas M. (February 16, 2010). "The 10 Steps to Mega Man 10". IGN. Archived from the original on March 27, 2010. Retrieved April 11, 2010.
  15. ^ Inafune, Keiji (1997). "Rockman 10th Anniversary Celebration Plans". CFC Style Fan-Book (in Japanese). 3. Capcom: 24.
  16. ^ Arino, Shinya and Suzuki, Sarina (May 2, 2007). "Ultra Seven". Retro Game Master. Season 7. Episode 45 (in Japanese). Minato, Tokyo. Fuji Television.
  17. ^ Gonazales, Joveth (February 5, 2010). "Japanese Mega Man 10 Soundtrack Details". Capcom Unity. Capcom. Archived from the original on July 8, 2011. Retrieved February 28, 2011.
  18. ^ Staff (December 13, 1991). クロスレビュー [Cross Review]. Famitsu (in Japanese). No. 156. Tokuma Shoten. p. 38. Archived from the original on March 24, 2019. Retrieved March 24, 2019.
  19. ^ a b Nintendo Power staff (January 1992). "Now Playing". Nintendo Power. No. 32. Nintendo of America. pp. 100–3. ISSN 1041-9551.
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  21. ^ a b Total! staff (October 1993). "Reviews: Mega Man 4". Total! (21). Future plc. ISSN 0964-9352.
  22. ^ "Nintendo Power Awards '92: The NESTERS". Nintendo Power. No. 48. May 1993. pp. 36–9.
  23. ^ "Nintendo Power Awards". Nintendo Power. No. 46. March 1993. p. 99. Archived from the original on March 4, 2016. Retrieved November 12, 2015.
  24. ^ Casamassina, Matt. "95. Mega Man 4 - Top 100 NES Games". IGN. Archived from the original on April 12, 2010. Retrieved April 20, 2010.
  25. ^ Skistimas, Craig (June 11, 2007). "ScrewAttack Video Game Vault: Mega Man 4". GameTrailers. Viacom. Archived from the original on February 10, 2010. Retrieved May 2, 2010.
  26. ^ a b Nutt, Christian & Speer, Justin. "The History of Mega Man - 5". GameSpot. CBS Interactive. Archived from the original on November 13, 2009. Retrieved April 17, 2010.
  27. ^ a b Parish, Jeremy (May 10, 2007). "The Mega Man Series Roundup". 1UP.com. Ziff Davis. Archived from the original on July 21, 2012. Retrieved April 10, 2010.
  28. ^ Nutt, Christian & Speer, Justin. "The History of Mega Man - 29". GameSpot. CBS Interactive. Archived from the original on December 14, 2009. Retrieved April 17, 2010.
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  30. ^ Navarro, Alex (June 21, 2004). "Mega Man Anniversary Collection Review for Xbox". GameSpot. CBS Interactive. Archived from the original on March 21, 2005. Retrieved April 21, 2010.
  31. ^ Nintendo staff. "VC ロックマン4 新たなる野望!!" [VC Rockman 4: A New Ambition!!] (in Japanese). Nintendo. Archived from the original on February 8, 2010. Retrieved April 25, 2010.
  32. ^ East, Thomas (April 8, 2010). "Mega Man 4 coming to Virtual Console next week". Official Nintendo Magazine. Future plc. Archived from the original on August 26, 2012. Retrieved April 25, 2010.
  33. ^ IGN staff (April 19, 2010). "Nintendo Download: April 19, 2010". IGN. Archived from the original on November 4, 2012. Retrieved April 25, 2010.
  34. ^ Spencer (February 10, 2011). "PSN Is Burning With PsOne Fighting Games". Siliconera. Archived from the original on August 12, 2012. Retrieved August 14, 2011.
  35. ^ a b Ponce, Tony (July 6, 2012). "The Mega Man 4 ROM hack to end all ROM hacks". Retrieved April 27, 2024.
  36. ^ Piedra, Josh (November 14, 2015). "Editorial: Is It Time For A Mega Man Maker?". Retrieved April 27, 2024.

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