Sonic the Hedgehog 2

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Sonic the Hedgehog 2
Sonic2 European Box.jpg
European box art
Developer(s) Sega Technical Institute
Publisher(s) Sega
Director(s) Masaharu Yoshii
Producer(s) Shinobu Toyoda
Composer(s) Masato Nakamura
Series Sonic the Hedgehog
Genre(s) Platform
Mode(s) Single-player, multiplayer

Sonic the Hedgehog 2 [lower-alpha 1] is a platform game developed and published by Sega for the Sega Genesis console, released worldwide in November 1992. It is the second main entry in the Sonic the Hedgehog series, and introduced Sonic's sidekick, Miles "Tails" Prower, controllable by a second player. In the story, Sonic and Tails must stop series antagonist Dr. Ivo Robotnik from stealing the Chaos Emeralds to power his space station, the Death Egg.

Platform game video game genre

Platform games, or platformers, are a video game genre and subgenre of action game. In a platformer the player controlled character must jump and climb between suspended platforms while avoiding obstacles. Environments often feature uneven terrain of varying height that must be traversed. The player often has some control over the height and distance of jumps to avoid letting their character fall to their death or miss necessary jumps. The most common unifying element of games of this genre is the jump button, but now there are other alternatives like swiping a touchscreen. Other acrobatic maneuvers may factor into the gameplay as well, such as swinging from objects such as vines or grappling hooks, as in Ristar or Bionic Commando, or bouncing from springboards or trampolines, as in Alpha Waves. These mechanics, even in the context of other genres, are commonly called platforming, a verbification of platform. Games where jumping is automated completely, such as 3D games in The Legend of Zelda series, fall outside of the genre.

Sega Japanese video game developer and publisher and subsidiary of Sega Sammy Holdings

Sega Games Co., Ltd. is a Japanese multinational video game developer and publisher headquartered in Tokyo. Its international branches, Sega of America and Sega Europe, are respectively headquartered in Irvine, California and London. Sega's arcade division, once part of Sega Corporation, has existed as Sega Interactive Co., Ltd. since 2015. Both companies are subsidiaries of Sega Holdings Co., Ltd., which is in turn a part of Sega Sammy Holdings.

Sega Genesis Fourth-generation home video game console and fourth developed by Sega

The Sega Genesis, known as the Mega Drive in regions outside North America, is a 16-bit home video game console developed and sold by Sega. The Genesis is Sega's third console and the successor to the Master System. Sega released it as the Mega Drive in Japan in 1988, followed by North America as the Genesis in 1989. In 1990, it was distributed as the Mega Drive by Virgin Mastertronic in Europe, Ozisoft in Australasia, and Tectoy in Brazil. In South Korea, it was distributed by Samsung as the Super Gam*Boy and later the Super Aladdin Boy.


Development of the game began in November 1991. The game was developed by both Japanese and American staff at Sega Technical Institute. Art director Tim Skelly designed the appearance of the new 3D special stages based on a tech demo created by Yuji Naka. The staff increased the speed of Sonic the Hedgehog 2 in comparison to its predecessor. As with the first game, the soundtrack was composed by Masato Nakamura.

Sega Technical Institute video game developer

Sega Technical Institute (STI) was an American development division of Sega. Founded by Atari veteran Mark Cerny in 1991, the studio sought to combine elite Japanese developers, including Sonic Team programmer Yuji Naka and his team, with new American talent. STI developed a number of Sonic the Hedgehog games, as well as other games for the Sega Genesis, before it was closed at the end of 1996.

Yuji Naka Japanese video game designer and programmer

Yuji Naka is a Japanese video game programmer, designer, and producer best known as the former head of Sonic Team, where he was the lead programmer of the original Sonic the Hedgehog series of games on the Sega Genesis. In 2006, he founded Prope, an independent game company. In January 2018, he joined Square Enix.

Masato Nakamura is a Japanese musician, bass guitarist, and record producer. He is a member of the J-pop band Dreams Come True, which was formed in 1988 and went on to sell over 50 million CDs. He is best known outside of Japan for composing the video game music soundtracks to Sonic the Hedgehog (1991) and Sonic the Hedgehog 2 (1992).

Sonic the Hedgehog 2 sold over six million copies, making it the second-bestselling Genesis game behind the original Sonic the Hedgehog . It received highly positive reviews from critics, who commended the game's level design and visuals, although its multiplayer mode was criticized. It has been rereleased on various platforms; a remastered version developed using the Retro Engine released on iOS and Android in December 2013. Two direct sequels, Sonic the Hedgehog 3 and Sonic & Knuckles , were released in 1994.

<i>Sonic the Hedgehog</i> (1991 video game)

Sonic the Hedgehog, also referred to as Sonic 1, is a platform game developed by Sonic Team and published by Sega for the Sega Genesis console. It was released in North America in June 1991, and in PAL regions and Japan the following month. The game features an anthropomorphic hedgehog named Sonic in a quest to defeat Doctor Robotnik, a scientist who has imprisoned animals in robots and stolen the powerful Chaos Emeralds. The gameplay involves collecting rings as a form of health and a simple control scheme, with jumping and attacking controlled by a single button.

Retro Engine 2D video game engine

The Star Engine, formerly known as the Retro Engine, is a multiplatform game engine developed by Australian programmer Christian "Taxman" Whitehead, best known for its use by Sega for games in the Sonic the Hedgehog series.

iOS mobile operating system by Apple

iOS is a mobile operating system created and developed by Apple Inc. exclusively for its hardware. It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod Touch. It is the second most popular mobile operating system globally after Android.


The game's premise is similar to that of the original Sonic the Hedgehog . Sonic's nemesis, Dr. Ivo Robotnik, is planning world domination through the power of the Chaos Emeralds and an army of robots powered by trapped animals. Specific to this game, he is additionally constructing an armored space station known as the Death Egg (an homage to the Death Star), also for the means of world domination. [1]

Doctor Eggman Fictional character from Sonic franchise

Doctor Ivo "Eggman" Robotnik is a fictional character and the main antagonist of Sega's Sonic the Hedgehog series. His original character designer was Naoto Ohshima, who created him as part of many design choices for the company's new mascot. After the creation of Sonic the Hedgehog, Ohshima chose to use his previous egg-shaped character to create the antagonist of the 1991 video game Sonic the Hedgehog, making him the archenemy of the series' eponymous main character.

Death Star fictional moon-sized space station and superweapon

The Death Star is a type of fictional mobile space station and galactic superweapon featured in the Star Wars space-opera franchise. The first Death Star, introduced in the original Star Wars film, is stated to be more than 100 km in diameter, and is crewed by an estimated 1.7 million military personnel and 400,000 droids. The second Death Star, which appears in Return of the Jedi is significantly larger, between 160 km to 900 km in diameter, and technologically more powerful than its predecessor. Both versions of these moon-sized fortresses are designed for massive power-projection capabilities, each capable of destroying an entire planet with a blast from its superlasers.

The events of the game see Sonic and Tails chasing Robotnik through West Side Island, and eventually up to the Death Egg, pursuing him with Tails' biplane, the Tornado. The plane is damaged after being shot at, but Sonic still manages to infiltrate the Death Egg, alone. Once there, he battles a robotic imposter before taking on Robotnik, who is piloting a giant mech. Sonic manages to defeat the robot and it explodes, damaging the Death Egg and knocking it out of orbit. Sonic falls to the ground and is saved by Tails in the Tornado. If the player has collected all of the Chaos Emeralds, Sonic, in his Super Sonic form, flies alongside it. [2]


Sonic and Tails hopping across pillars in the third stage, Aquatic Ruin Zone Aquatic Ruins from Sonic 2 for Mega Drive.png
Sonic and Tails hopping across pillars in the third stage, Aquatic Ruin Zone

Sonic the Hedgehog 2 is a 2D side-scrolling platform game. [3] The game stars Sonic the Hedgehog and his sidekick, Miles "Tails" Prower, who is described as having idolized Sonic as a child and wanting to keep up with him. [4] At the game's start, the player can select to either play as Sonic, Tails, or both. The difference between the two is purely cosmetic; the two both have identical abilities. [5] In the latter mode, players control Sonic while Tails runs along beside him. A second player can join in at any time and control Tails separately. [6] The game takes place over a series of levels, each divided into one, two, or three acts with a boss fight with Robotnik at the end of the last act. Certain levels have features that are unique to them; for example, Emerald Hill has corkscrew-like loops, and Chemical Plant has boost pads that instantly put Sonic at his top speed. [4] The character can jump on enemies to defeat them; the game also introduces a new move, the "spin dash" or "Super Dash Attack", by which the player curls in a ball and spins while stationary, resulting in a speed boost. [7] When the player is attacked by an enemy without rings, is crushed, falls off-screen, or exceeds the act's ten-minute limit, they lose a life and return to the most recently passed checkpoint. [8] Dying with zero lives gives the player a game over. [9]

2D computer graphics graphics that use a two-dimensional representation of geometric data

2D computer graphics is the computer-based generation of digital images—mostly from two-dimensional models and by techniques specific to them.The word may stand for the branch of computer science that comprises such techniques or for the models themselves.

Side-scrolling video game video game genre

A side-scrolling game, side-scroller, or horizontally-scrolling game is a video game in which the gameplay action is viewed from a side-view camera angle, and the onscreen characters can generally only move to the left or right. These games make use of scrolling computer display technology. The move from single-screen or flip-screen graphics to scrolling graphics, during the golden age of video arcade games and during third-generation consoles, would prove to be a pivotal leap in game design, comparable to the move to 3D graphics during the [[History of video game consoles |fifth generation]]. Although side-scrolling games have been supplanted by 3D games, they continue to be produced.

Sonic the Hedgehog (character) fictional character from the Sonic videogame franchise

Sonic the Hedgehog is the title character and protagonist of the Sonic the Hedgehog video game series released by Sega, as well as numerous spin-off comics, animations, and other media.

The game's special stages, in which the player collects rings in hopes of obtaining a Chaos Emerald, are presented in 3D, unlike the rest of the game. Sonic 2 SpecialStage.gif
The game's special stages, in which the player collects rings in hopes of obtaining a Chaos Emerald, are presented in 3D, unlike the rest of the game.

When the player collects at least 50 rings and passes a checkpoint, they can warp to a "special stage". [10] In these stages, the player runs through a pseudo-3D half-pipe course, collecting rings and dodging bombs. A set amount of rings must be collected to pass through each of three checkpoints and in turn to obtain the emerald itself. If Sonic collides with a bomb, he loses ten rings and is immobilized momentarily. The stages rise in difficulty, and the player cannot enter any stage without passing the previous one. After finishing, the player is transported back to the star post they used to enter the special stage, with their ring-count reset to zero. [11] When all Emeralds have been collected, Sonic can transform into Super Sonic by collecting 50 rings and jumping. [2] [10] Super Sonic is invincible to attacks, runs faster, and jumps further; however, he loses one ring per second and reverts to regular Sonic when his rings are depleted. [2]

The game also has a competitive mode, where two players compete against each other to the finish line, as either Sonic or Tails, in a split-screen race through three of the regular levels and a special stage. After one player finishes one of the regular levels, the other player must finish the zone within 60 seconds, or the level ends instantly. In the regular levels, players are ranked in five areas (score, time, rings held at the end of the level, total rings collected, and the number of item boxes broken). The player with wins in the most number of categories wins the level. In the Special Stage, players compete to obtain the most rings. The mode ends when all stages have been completed, or if a player loses all their lives, in which their opponent will automatically win. [12]

Knuckles the Echidna in Sonic the Hedgehog 2

Sonic & Knuckles was released in 1994, two years after Sonic 2. The Sonic & Knuckles game cartridge features a special "lock-on" port into which the player can insert other Genesis cartridges. Attaching Sonic 2 unlocks Knuckles the Echidna in Sonic the Hedgehog 2, a variation of Sonic 2 whereby the player plays as Knuckles the Echidna, a character introduced in Sonic the Hedgehog 3 and not playable until Sonic & Knuckles. [13] Though the game is largely identical to Sonic the Hedgehog 2, Knuckles is able to glide and climb walls, allowing him access to areas previously inaccessible to Sonic or Tails. However, he cannot jump as high, making some parts of the game, such as certain boss fights, more difficult. In addition, Knuckles restarts with the amount of rings he collected at checkpoints (if he loses a life), the options are unavailable, the special stages have slightly fewer rings required to collect than before (for example, ten rings fewer than in the special stages with Sonic and Tails), and the two-player mode is removed. [13]


Following the release of the original Sonic the Hedgehog, creator Yuji Naka quit Sega due to disagreements over corporate policy. [14] [15] Mark Cerny, who had recently founded Sega Technical Institute (STI) in the American state of California, met with Naka in Japan and offered him a higher salary and more creative freedom if he joined STI. [14] [15] Naka agreed, and Hirokazu Yasuhara, the lead level designer of Sonic the Hedgehog, also decided to move to STI. [14] [15] Yasuhara had been assigned to help Cerny establish STI in 1990, but the outbreak of the Gulf War delayed his move to the United States by three months, during which he joined Sonic Team and became part of the original Sonic project. [16] [17]

Development of Sonic 2 began in November 1991, two months later than Cerny had intended because Sega of America initially felt it was too soon for a sequel. [14] STI handled development; [14] [18] [19] both American and Japanese staff contributed, although, according to team member Tim Skelly, "Everyone attached to Sonic 2 ultimately worked for Yuji Naka. I think Naka would have been much happier if he was working with an all-Japanese team, but just because of the language barrier and some cultural differences." [14]

Skelly designed the appearance of the pseudo-3D special stages, based on a tech demo created by Naka. [20] The special stages were created out of pre-rendered 3D polygons, video of which was compressed and halved vertically and horizontally to fit in the game cartridge. [21] Sonic 2 also introduced Sonic's sidekick Tails, a flying two-tailed fox, inspired by Japanese folklore about the kitsune and created by level artist Yasushi Yamaguchi. Sega of America objected to the character's name, Miles Prower (a pun on "miles per hour"), so he was given the nickname Tails as a compromise. [22] Masaharu Yoshii served as director. The staff increased the speed of Sonic the Hedgehog 2 compared to the first game. [23]

Cut content

Sonic 2 is believed to have been planned to have time travel aspects and was originally developed alongside Sonic CD as the same game, [24] but Sonic CD eventually became a separate game. [25] A demonstration cartridge of Sonic 2 was stolen at a New York City toy show early in 1992. The theft was attributed to a lack of security. The prototype ROM was rediscovered by fan Simon Wai on a Chinese website, [26] and features playable sections of two cut levels: Wood Zone and Hidden Palace Zone. [27] [28] [29]

Hidden Palace Zone was planned as a secret stage accessed by collecting Chaos Emeralds. According to Naka, the stage would explain where the Chaos Emeralds came from and grant Sonic his Super Sonic powers. [30] It was removed for lack of time and cartridge space, and a different version was used in Sonic & Knuckles . The 2013 remastered iOS port includes a redesigned Hidden Palace Zone as an optional stage. [31]

Sega released mockup images of another cut level, the desert-themed Dust Hill Zone, [32] [33] and the stolen 1992 prototype features an unused level slot titled "Genocide City". [26] According to Naka, the third act of Metropolis Zone was planned as a different stage, but was cut. Feeling it would be a shame to waste the finished map, the team redesigned it as an additional act for Metropolis Zone. [34]


Sonic the Hedgehog 2's music, like the previous game, was composed by Masato Nakamura, bassist and songwriter of the J-pop band Dreams Come True. The music began early in development with only concept images for Nakamura's reference, but having a previous game meant he had experience with creating music for the Genesis and began taking a similar approach to the first game. [35] Nakamura treated Sonic the Hedgehog 2 as a film and designed the music around the atmosphere that he felt from the images of the stages. [36] Except for the graphics and some discussion with Sonic Team, Nakamura was given freedom, which he believes was the reason why he was able to create "such melodic tunes and unusual rhythm patterns". [37] Nakamura created the music while he was recording with Dreams Come True in London, working on their fifth album The Swinging Star . As a gift to Sonic Team, Masato produced an alternate version of the ending theme with Dreams Come True, included on The Swinging Star. [38]

In 2011, the stage music from Chemical Plant and Casino Night Zone were remixed by Sega for use in Sonic Generations . [39] That October, a three-disc compilation of the music from Sonic the Hedgehog and Sonic the Hedgehog 2 was released in Japan. [40] It compilation includes comments by Naka and an interview with Nakamura. [41] [42] The first disc contains original tracks from both games, and the second contains Nakamura's demo recordings produced during the games' development. [43] The third disc contains "Sweet Sweet Sweet" by Dreams Come True, [40] its English-language version "Sweet Dream", and 2006 remixes of both songs by singer Akon, used in Sonic the Hedgehog (2006). [44] [44] [45] [46]


Sega launched a $10 million advertising campaign for Sonic the Hedgehog 2's release. [47] Sega sought a global release date to make the game available in all stores on the same day, a fairly novel concept at the time. This required Sega to reconfigure its distribution system to ensure that games were available in all major stores. The release date, Tuesday, November 24, 1992 was marketed as "Sonic 2s day". While the Genesis release in North America and the Mega Drive release in Europe both released the game on this day, Sega made the game available a few days before in Japan on November 21, 1992. [48] [49] 400,000 copies of Sonic 2 were sold in the first seven days after release [47] and over 6 million in the lifespan of the console (only 180,000 of which were in Japan [50] ). [51]

Alternate versions and ports

8-bit version

A version of the game for the Sega Master System and Game Gear was developed by Aspect. Though based on the original game of the same name, it is a distinct game, with different level designs and a different plot, [52] and this version, unlike the 16-bit release, does not have the spin dash, which led it to being thought to be made before the Sega Genesis version. [53]

2013 remaster

A remastered mobile port was released for iOS, Android and Windows Phone devices on December 12, 2013. This version was developed from scratch by Christian "Taxman" Whitehead and Simon "Stealth" Thomley using the Retro Engine previously used in the 2011 remaster of Sonic CD . This version adds several enhancements, such as widescreen graphics, Knuckles as a playable character, time and boss attack modes, online multiplayer, additional multiplayer stages, and the previously unreleased Hidden Palace Zone. Additionally, Tails is given his abilities from Sonic the Hedgehog 3, [31] and the remaster features a post-credits scene which depicts the Death Egg crash-landing on Angel Island. [54] This version was received positively, with Shaun Musgrave of TouchArcade declaring it the "definitive version" of the game. [55] The iOS version was updated in 2016, adding compatibility for Apple TV. [56]

Compilation releases

Compilations that include the game are Sonic Compilation (1995) for the Sega Mega Drive/Genesis; [57] Sonic Jam (1997) for the Sega Saturn; [58] Sonic Mega Collection (2002) for the Nintendo GameCube; [59] Sonic Mega Collection Plus (2004) for the PlayStation 2, Xbox, and PC; [60] Sega Genesis Collection (2006) for the PlayStation 2 and PlayStation Portable; [61] Sonic's Ultimate Genesis Collection (2009) for the Xbox 360 and PlayStation 3; [62] and Sonic Classic Collection (2010) for the Nintendo DS. [63]

Download releases

The game was made available for download on Wii's Virtual Console on June 11, 2007, [64] PlayStation 3 via the PlayStation Network on April 19, 2011, [65] and Xbox 360 via Xbox Live Arcade, the latter having enhancements such as online leaderboards, achievements, and online play. [66] Various mobile phone versions exist as well, including the iOS release. [67] The game was released as part of the Nintendo 3DS 3D Classics line in Japan on July 22, 2015, with a release in North America and Europe initially slated for September 2015, before being pushed back to October 8. [68] [69] In 2018, Sega announced a Nintendo Switch port will be released as part of the Sega Ages product line. It will include most of the features added to the 3DS version; it also adds the option to use Sonic's Drop Dash ability from Sonic Mania (2017) and a time attack mode. [70]


Aggregate scores
GameRankings (SMD) 88% [71]
Metacritic (X360) 82/100 [72]
(iOS) 60/100 [73]
(3DS) 87/100 [74]
Review scores
CVG 94% [75]
EGM 35/40 [76]
Eurogamer (X360) 9/10 [71]
Famitsu 30/40 [77]
Game Informer 27.25/30 [78]
9.5/10 [79]
GameFan 197/200 [80]
GamePro 19.5/20 [81]
GameSpot (X360) 8/10 [82]
IGN (WII) 8.5/10 [3]
ONM (WII) 94% [83]
OXM (US) (X360) 9/10 [71]
Bad Influence! Star full.svgStar full.svgStar full.svgStar full.svgStar full.svg [84]
Mean Machines 96% [85]
Mega 94% [86]
Mega Zone 93% [87]
Sega-1610/10 [88]
Sega Force 97% [89]
Sega Force Mega 95% [90]
TouchArcade (iOS) Star full.svgStar full.svgStar full.svgStar empty.svgStar empty.svg [91]
Electronic Gaming Monthly Best Game of the Year (Genesis) [92]
GameFan Golden Megawards Best Action Platform Game [93]
Game Informer Best Action/Adventure Game,
Best Graphics in a Video Game [94]
GamePro Action/Adventure Game of the Year,
16-Bit Game of the Year (Runner-Up),
Award for Excellence in Graphics (Runner-Up) [95]
MegaTech Hyper Game

Due to the popularity of its predecessor, Sonic the Hedgehog 2 already had an established fanbase anticipating its release. [3] The game received critical acclaim and was a bestseller in the UK charts for 2 months. [96] As of 2006, the game had sold over 6 million copies, [51] making it the second best-selling game for the Sega Genesis (after the original Sonic the Hedgehog).

Reviewers praised the large levels, [82] colorful graphics and backgrounds, [82] [97] increased characters, enemies, [3] and music. GameSpot stated that "time may have eroded Sega's prominence, but it hasn't done much to diminish how sweet Sonic the Hedgehog 2 is," and, along with other reviewers, commented on how it is still a fun game to play. [3] [82] Electronic Gaming Monthly named it the best Genesis game of 1992. [92] In 2000, Game Informer ranked Sonic 2 number 61 on its "Top 100 Games of All Time" list, calling it "the most challenging and finely polished Sonic the Hedgehog title." [98] Mega placed the game at #36 in their "Top Sega Mega Drive Games of All Time" list. [99] Critics also enjoyed the faster gameplay in comparison to its predecessor, as well as its new features. Lucas Thomas of IGN praised the new "spin dash" ability. [100]

The main criticisms were of the two-player mode, a first for the series. [101] [97] Reviewers criticized the mode's slowdown and flickering, and the squashed play area. However, Lucas Thomas praised the innovation, quipping that "Mario and Luigi could never run competitively through the same levels, at the same time". [100] William Burrill of the Toronto Star described the racing mode as the "only part of the game that can be faulted," as its split-screen view "squeezes the graphics, plumps up the characters and slows down the action." [102]


Sonic 2's success was a major factor in Sega catching up to Nintendo in the early-1990s console wars. [103] It brought their market share up to 40% within six months of its release. [82] Tails, whom Sonic the Hedgehog 2 introduced, went on to become one of the most prominent characters in the series, appearing as Sonic's sidekick in most Sonic media, including in later games such as Sonic Colors , Sonic Generations , and Sonic Lost World . Sonic the Hedgehog 2's popularity extended to various merchandise such as comic books such as Sonic the Comic , [104] a television series, [105] and a sequel, Sonic the Hedgehog 3 , which received similar acclaim. [106]

For Sonic's 20th anniversary, Sega released Sonic Generations, which remade aspects of various past games from the franchise. [107] The PlayStation 3, Xbox 360, and PC versions contained a remade "Chemical Plant" level. [108] It also contained a remake of the final boss fight, the Death Egg Robot, as the Classic Era boss of the game. [109] Separately, the Nintendo 3DS version of the game contained a remake of the "Casino Night" level. [110] A "Casino Night" themed pinball minigame was made available for download as a pre-order bonus for the console versions at GameStop. [111] Remade versions of Chemical Plant and Oil Ocean also appear in the 2017 game Sonic Mania . [112]

In 2008, an unofficial, high-definition remake was announced titled Sonic the Hedgehog 2 HD, which included development members who would later work on Sonic Mania. [113] [114] In 2012, it was reported that a potential keylogger was included with an alpha build of the game, which led to the project being discontinued due to the controversy. [115] In 2014, the project was restarted under a new development team. [116] The final version is planned to feature additional stages and the option to play levels as Knuckles the Echidna. [117]


  1. Japanese:ソニック・ザ・ヘッジホッグ2(ツー) Hepburn:Sonikku za Hejjihoggu Tsū ?

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Sonic Advance is a 2001 side-scrolling platform game developed by Dimps for the Game Boy Advance (GBA). It was the first Sonic the Hedgehog game to be released on a Nintendo platform and was produced in commemoration of the series' tenth anniversary. The story follows Sonic, Tails, Knuckles, and Amy as they journey to stop Doctor Eggman from taking over the world. Controlling a character, players are tasked with completing each level, defeating Eggman and his robot army, and collecting the seven Chaos Emeralds.

<i>Sonic Jam</i> 1997 video game compilation for the Sega Saturn

Sonic Jam is a video game compilation developed by Sonic Team and published by Sega for the Sega Saturn. It was released in Japan in June 1997, and in North America and Europe two months later. It contains the four main Sonic the Hedgehog games released on the Sega Genesis: Sonic the Hedgehog, Sonic the Hedgehog 2, Sonic the Hedgehog 3, and Sonic & Knuckles. It also features a 3D environment, "Sonic World", which acts as an interactive museum of Sonic the Hedgehog content.

<i>Sonic the Hedgehog Pocket Adventure</i> 1999 video game

Sonic the Hedgehog Pocket Adventure is a platform game developed and published by SNK and released for the Neo Geo Pocket Color in 1999. The game is based on Sonic the Hedgehog 2 (1992) for the Sega Genesis, borrowing much of the stage themes and gameplay elements, but featuring unique stage layouts, elements from other Genesis Sonic the Hedgehog games, and extra game modes. Sega's Yuji Naka and the rest of Sonic Team supervised over production.

<i>Sonic the Hedgehog: Triple Trouble</i> 1994 platform game

Sonic the Hedgehog: Triple Trouble is a platform game developed by Aspect and published by Sega for the Game Gear in 1994. It is the sequel to Sonic Chaos and features classic Sonic series gameplay. The player can choose to control either Sonic the Hedgehog or Tails as they venture to protect the powerful Chaos Emeralds from others. Sonic and Tails can use items strewn across the stages, and differences in their abilities make for different gameplay experiences when playing as each character.

<i>Sonic Gems Collection</i> 2005 video game

Sonic Gems Collection is a 2005 compilation of Sega video games, primarily those in the Sonic the Hedgehog series. The emulated games span multiple genres and consoles—from the Sega Genesis to the Sega Saturn—and retain the features and errors of their initial releases with minimal edits. Player progress is rewarded with demos of other Sonic games, videos, and promotional artwork spanning the history of the Sonic franchise. While its 2002 predecessor, Sonic Mega Collection, comprised the more popular Sonic games, Gems Collection focuses on more obscure games, such as Sonic CD and Sonic the Fighters. Other non-Sonic games are included, but some, such as the Streets of Rage trilogy, are omitted in the North American localization.

<i>Sonic the Hedgehog</i> (2006 video game) 2006 video game by Sega

Sonic the Hedgehog is a 2006 platform game developed by Sonic Team and published by Sega. It was produced in commemoration of the Sonic series' 15th anniversary, and intended as a reboot for the seventh generation video game consoles. Players control Sonic, Shadow, and new character Silver, who battle Solaris, an ancient evil pursued by Doctor Eggman. Each playable character has his own campaign and abilities, and must complete levels, explore hub worlds and fight bosses to advance the story. In multiplayer modes, players can work cooperatively to collect Chaos Emeralds or race to the end of a level.

<i>Sonic Mania</i> 2017 platform game

Sonic Mania is a 2017 platform game published by Sega for Nintendo Switch, Xbox One, PlayStation 4, and Windows. Produced in commemoration of the Sonic the Hedgehog series' 25th anniversary, Sonic Mania homages the original Sega Genesis Sonic games, featuring speedy side-scrolling gameplay. It takes place over twelve levels, including eight redesigned stages from past games. The story follows Sonic the Hedgehog and his companions Tails and Knuckles as they venture to defeat their nemesis Doctor Eggman and his robotic henchmen, the Hard-Boiled Heavies.


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