Mega Man 2^{[lower-alpha 1]} (stylized as MEGA MAN II) is an action game developed and published by Capcom for the Nintendo Entertainment System. It was released in Japan in 1988 and in North America and PAL regions the following years. Mega Man 2 continues Mega Man's battle against the evil Dr. Wily and his rogue robots. It introduced graphical and gameplay changes, many of which became series staples.

Although sales for the original Mega Man were unimpressive, Capcom allowed the team to create a sequel. They worked concurrently on other Capcom projects, using their free time to develop the game, using unused content from the first game. Takashi Tateishi composed the soundtrack, with Yoshihiro Sakaguchi serving as a sound programmer.

Mega Man 2 is the second best selling Mega Man game, with more than 1.51 million copies sold. Critics praised its audio, visuals and gameplay as an improvement over the first game. Many publications rank Mega Man 2 as the best game in the series and one of the greatest video games of all time. The game's soundtrack has also been considered one of the greatest video game soundtracks of all time. It has been included in several game compilations such as Mega Man Legacy Collection, rereleased for mobile devices, and become a part of console emulation services. A sequel, Mega Man 3, was released in 1990.

After his initial defeat, Dr. Wily, the series' main antagonist, creates his own set of Robot Masters in an attempt to counter Mega Man: Metal Man, Air Man, Bubble Man, Quick Man, Crash Man, Flash Man, Heat Man, and Wood Man. He also constructs a new fortress and army of robotic henchmen. Mega Man is then sent by his creator, Dr. Light, to defeat Dr. Wily and his Robot Masters.^[7] Mega Man defeats the eight new Robot Masters and then challenges Wily himself.^[8] During the final fight, Dr. Wily flees into the caves beneath his fortress and when Mega Man follows, attempts to trick Mega Man into thinking he is a space alien, but Mega Man defeats the alien revealing it to be a holographic projection device which malfunctions showing Dr. Wily at the controls. After the scientist begs for mercy, Mega Man spares Wily and returns home.

Like its predecessor, Mega Man 2 is a platform and action game. The player controls Mega Man as he traverses eight stages to defeat the bosses, Dr. Wily's Robot Masters: Metal Man, Air Man, Bubble Man, Quick Man, Crash Man, Flash Man, Heat Man, and Wood Man. Each Robot Master features a unique weapon and a stage related to their weapon's power. For example, Air Man shoots small tornadoes and is fought in a sky-themed level, while Wood Man can use a shield of leaves and is found in a forest-themed stage.^[7] After defeating a boss, their signature weapon becomes available to the player. Each Robot Master is weak to the weapons of certain other Robot Masters; therefore, choosing the order in which the levels are played is a vital component of the gameplay.^[8][9] After completing certain stages, Mega Man receives a special item.^[9] These items create platforms that allow Mega Man to access areas that he otherwise could not.^[7]

After defeating the eight Robot Masters, the player proceeds to Dr. Wily's fortress, which consists of six levels that are played linearly.^[7] As in the first game, the player is required to fight each Robot Master a second time in Dr. Wily's fortress. However, these battles take place in a single room rather than a series of linearly connected rooms. The room contains teleportation devices that lead to each Robot Master. The devices can be entered in any order, but are not labeled. Once the bosses are defeated again, the player must fight Dr. Wily.

Mega Man 2 features a few gameplay changes from the original Mega Man.^[8] A new item, the Energy Tank, allows a player to refill Mega Man's health at any time.^[9] Also introduced is a password system.^[7] A password is displayed after defeating each Robot Master, allowing the player to return to that particular point in the game after restarting the system.^[9] The password stores the particular list of completed Robot Masters, as well as the number of accumulated Energy Tanks. Unlike the first game, Mega Man 2 does not feature a score counter, and the player is unable to return to Robot Master levels once completed.

The first Mega Man game—released in 1987—was not successful enough to justify the immediate development of a sequel.^[11] According to Roy Ozaki, director Akira Kitamura had wanted to make a sequel to Mega Man, but producer Tokuro Fujiwara was against it.^[12] Kitamura then went to Capcom Vice-President to get permission to make the game.^[13] Capcom allowed the development team to create a sequel on the condition that they work concurrently on other projects as well.^[10][14][15] The staff spent their own time on the project to improve upon the original by adding more levels and weapons, as well as improving the graphics.^[11] The project supervisor of the first Mega Man invited Inafune to the sequel's development crew; Inafune was working on a separate game at the time.^[1] On the previous game, Inafune worked as an artist and character designer but became more involved in the production process of the sequel.^[16] "Working on [Mega Man 2] marked my second year at this, and I even got to mentor a 'new kid', which opened up a whole new world of stress for me," Inafune recounted. The development time for the game was only three to four months.^[1][17]

Due to the limited amount of cartridge space available for the first game, elements such as planned enemy characters were omitted from the final product. The unused content was later transferred to Mega Man 2.^[18] The team was limited by the graphical capabilities of the Nintendo Entertainment System, and designed characters as pixel art to maintain consistency between the designs and final product; some design elements, however, were lost in the transition.^[16] The gameplay system from the original game was kept for Mega Man 2, but the team included more traps for the player to navigate. The game's three support items were added to aid the player because of complaints from consumers and Capcom's marketing department regarding the original game's high difficulty.^[1] Inafune's supervisor was "especially unsure" about the usefulness of the Energy Tanks.^[1]

The first game did not have any influence from fans, but for the second game, Kitamura wanted to get ideas from players and put them in.^[19] The developers allowed input from the public by including boss designs created by fans.^[20] Capcom received 8,370 boss submissions for the game, although even the designs for the final eight Robot Masters were "tweaked".^[1][21]

Inafune intended his artwork for Mega Man 2 to be more "anime-ish" than in the first game.^[1] A second difficulty setting was added for the North American release. The original version was labeled "difficult", and a "normal" setting was created that made the "arm cannon" and boss weapons more powerful.^[22] Veteran video game cover illustrator Marc Ericksen painted the North American box art, which included Mega Man firing a pistol instead of his trademark Mega Buster. Ericksen explained that he was unfamiliar with the game and was directed by the Capcom America creative team to give Mega Man a pistol.^[23]

More information Publication, Score ...

Review scores

Publication	Score
Famitsu	28/40[29] [30]
IGN	9.5/10[31]
Mean Machines	95%[3]
Total!	83%[32]

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Though the first Mega Man game had relatively low sales, Mega Man 2 was a huge success. Since its 1988 release, Mega Man 2 has sold over 1.5 million copies worldwide. The game is the second highest selling in the Mega Man series and Capcom's 58th highest-selling game.^[33]

Mega Man 2 was critically praised. Electronic Gaming Monthly's four reviewers—Steve Harris, Ed Semrad, Donn Nauert, and Jim Allee—rated the game favorably, each scoring it 8 out of 10. They stated that it was better than the first Mega Man, citing the improved audio-visuals, new power-ups, and password system. Nauert and Allee, however, expressed disappointment that the game was less difficult than the first game.^[34] Nadia Oxford of 1UP.com complimented its aesthetics and gameplay. She further stated that Mega Man 2 improved the gameplay of its predecessor by removing excessively difficult elements.^[15] Mean Machines' two reviewers, Julian Rignall and Matt Regan, praised several aspects of the game. Rignall lauded the gameplay, citing its addictiveness and the puzzles. Regan praised the difficulty and called the gameplay balanced. Both reviewers complimented the graphics, calling them detailed and stunning, and described it as a great platform game.^[3] Retro Gamer editor Richard Burton described it as a "must-have" game for the system, comments echoed by two of Electronic Gaming Monthly's reviewers.^[34][35] Zach Miller writing for Game Informer attributed the success of the game to the players' option to defeat the stages in the order of their choosing. He praised the simple control scheme and the variety of weapons and items.^[36] GamesRadar ranked it the second-best NES game ever made, calling it "the pinnacle" of the 8-bit Mega Man games.^[37]

The game's soundtrack has been well received by critics. Joey Becht of IGN listed three stage themes from Mega Man 2 along with the main title song among the best in the series.^[38] In 2008, Game Informer listed Mega Man 2's introduction sequence as the fifth-best video game opening, citing the build up of excitement that the music and appearance of the character instills.^[39] The "Doctor Wily Stage Theme" was ranked second in ScrewAttack's "Top 10 Video Game Themes Ever" video.^[40] Nintendo Power' editorial staff praised the music in 2008, stating it is among the best on the platform.^[41] In 2009, Gamasutra's Brandon Sheffield describe the music as easily recognizable and lamented that contemporary video game music lacked that trait.^[42] The opening riff from the "Crash Man" stage's theme inspired the theme music for the YTV program Video & Arcade Top 10.^{[citation needed]}

Mega Man 2 is a favorite among Mega Man fans, with many calling it the best in the series.^[31][43][44] Critics have also referred to the game as the series' best.^[45] Oxford considered it one of the most memorable game in the series, and Burton and Electronic Gaming Monthly both called the game the best in the series.^[15][35][46] IGN's Levi Buchanan listed three of the game's bosses among the "Top 10 Mega Man Robot Masters".^[47] Several publications consider the game a critical success and have listed it high on "top game" lists. At the end of 1989, it was the top ranked game on Nintendo Power's Top 30 list.^[48] In 1997 Electronic Gaming Monthly named it the 73rd best console video game of all time, saying it was the most appealing and challenging game in the series.^[46] In August 2008, Nintendo Power listed Mega Man 2 as the third best Nintendo Entertainment System video game. The editorial staff praised the polished improvements over the previous game.^[41] GameSpot named Mega Man 2 as one of "The Greatest Games of All Time".^[49] It ranked number 33 in Nintendo Power's "Top 200 Nintendo Games Ever" list and number 60 in Official Nintendo Magazine's "100 Best Nintendo Games" list.^[50][51] Miller considered it one of the greatest games of all time.^[36] In 2007, IGN's three editorial offices—United States, United Kingdom, and Australia—compiled a list of top 100 games. They listed Mega Man 2 as number 67, citing the action and strategic elements along with the impact it had on the series.^[22] Mega Man 2 was placed 4th on IGN's list of the Top 100 NES Games.^[52] Mega Man 2 was the first game on the cover of Electronic Gaming Monthly.^[53] Game Informer placed the game 32nd on their top 100 video games of all time in 2001.^[54]

Kitamura chose to leave Capcom and joined the company Takeru, where he worked on the game Cocoron instead of Mega Man 3.^[55]

Keiji Inafune claims the success of Mega Man 2 is what made the Mega Man series a hit that continues to spawn sequels.^[11] 1UP.com commented that the game helped establish the series as a prominent and commercially successful video game franchise.^[44] IGN cited Mega Man 2 as helping define the platforming genre.^[22] Retro Gamer credited it with helping the series obtain the global presence that allowed spin-offs and more sequels to be created.^[8] Many of the conventions of the original Mega Man series were defined by the first game, but Mega Man 2 added crucial conventions that were retained for the rest of the series.^[8][31] The traditional number of Robot Masters for the series is eight as used in Mega Man 2, rather than the six used in the original.^[16][22][31] It was the first in the series to include an opening cinematic.^[38] Mega Man 2 also introduced the Energy Tank item, special movement items, teleporter room, and password system, which became staples in future games.^[22][31] The Energy Tank became the series' iconic health refill item and later served as inspiration for a promotional "Rockman E-Can" drink.^[56] In developing Mega Man 9, producer Inafune and Hironobu Takeshita looked to the first two games in the series for inspiration, with Mega Man 2 serving as a standard to surpass in order to meet fans' expectations.^[16][43] Mega Man Universe was to feature a remake of Mega Man 2's story campaign, as well as feature customizable characters and levels.^[57] However, Capcom has officially announced the game's cancellation due to "various circumstances."^[58] In Super Smash Bros. for Nintendo 3DS and Wii U, Wily Castle, as depicted in Mega Man 2, appears as a selectable stage in both versions of the game. The stage returned in Super Smash Bros. Ultimate.

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