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This article is about a subject in the real world.
Information in this article is about real-life people, companies, and objects, which do not relate to the in-universe Sonic series.
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The franchise timeline of Sonic the Hedgehog is listed chronologically, and presents the universe, games, and the events which are listed in relation to the fictional universe based on the Sonic the Hedgehog series.

1988[]

  • Sega's "AM8" studio is formed in Ota, Tokyo, Japan.

1990s[]

1990[]

  • April 1: A contest is organized to create a mascot/character intended to prove the capabilities of the Sega Mega Drive to compete in the video game market. The proposals were various (a bulldog, an all-American wolf, an armadillo, a rabbit, a kangaroo, and even a fat, mustache man in pajamas). A hedgehog was seemingly universally approved of and would proudly display his name, "Sonic the Hedgehog", for the entire franchise. Chosen as the mascot for Sega, he uses the company’s color as his own and Sega would focus on his speed to market the Sega Mega Drive's processing power. Studio AM8 of Sega starts to work on Sonic the Hedgehog and is renamed "Sonic TEAM". While the playable character was set for his design that communicates the gameplay, Sonic Team was very fond of the jolly, round, mustache man in pajamas and would re-designed him as the main villain of the Sonic the Hedgehog series as Doctor Eggman, referred to as Dr. Robotnik in the West and later by both names, to be the challenge and threaten the player with Game Overs throughout the game. The armadillo would be reused as Mighty the Armadillo.
  • November 7: Dreams Come True, a Japanese group, begins its tour, sponsored by Sega and Sonic.

1991[]

1992[]

1993[]

1994[]

1995[]

1996[]

1997[]

1998[]

  • January 1: Sonic Jam for the Game.com launches in North America.
  • January 21: The soundtrack of Sonic R, also titled Sonic R, launches in Japan.
  • August 22: Sega announces Sonic Adventure.
  • November 6: Sonic Team "PowerPlay", a music CD of the various Sonic games, launches in Japan.
  • November 11: Sonic R is released on PC in North America
  • November: Sonic R is released on PC in Japan and Europe.
  • December 2: Songs with Attitude, CD of the vocal music of Sonic Adventure, launches in Japan.
  • December 16: Sonic Adventure Remix, remixed music of the vocal music, launches in Japan.
  • December 23: Sonic Adventure is released for the Dreamcast in Japan. This is Sonic's debut into full-3D. It is also the first official 3D Sonic game.
  • The DMCA law on the copyright is rehabilitated with the addition of 3D games. Sonic is one of the first characters to use the law.

1999[]

2000s[]

2000[]

2001[]

  • December 28: Corocoro Comics publishes the second official manga of Sonic.

2002[]

2003[]

  • March 7: Sonic Mega Collection is released for the Nintendo GameCube in Europe.
  • March 9: Sonic Advance 2 is released for the Game Boy Advance in North America.
  • March 28: Sonic Advance 2 is released for the Game Boy Advance in Europe.
  • April 6: Sonic X, an anime series, starts in Japan.
  • June 1: Sonic Pinball Party is released for the Game Boy Advance in North America.
  • June 18: Sonic Adventure DX: Director's Cut is released for the Nintendo GameCube in North America.
  • June 19: Sonic Adventure DX: Director's Cut is released for the Nintendo GameCube in Japan.
  • June 27: Sonic Adventure DX: Director's Cut is released for the Nintendo GameCube in Europe.
  • June: McDonald's launches their second series of Sonic toys.
  • July 17: Sonic Pinball Party is released for the Game Boy Advance in Japan.
  • August 23: Sonic X, an anime series, starts in North America.
  • October 6: SonicN is released for the N-Gage in North America.
  • October 7: SonicN is released for the N-Gage in Europe.
  • October 31: Sonic Pinball Party is released for the Game Boy Advance in Europe.
  • December: CR Sonic, pachinko machine, launches in Japan.
  • December 4: Sonic Battle is released for the Game Boy Advance in Japan.
    • Emerl makes his debut into the Sonic universe in Sonic Battle.
  • December 18: Sonic Adventure DX: Director's Cut is released for the Microsoft Windows in Japan.
  • December 30: Sonic Heroes is released for the Nintendo GameCube, PlayStation 2 and Xbox in Japan.

2004[]

  • January 5: Sonic Battle launches in North America, to Target stores only. This renders the game as a United States-only game, as Mexico and Canada do not have Target stores. Sonic Heroes is released for the Nintendo GameCube in North America.
  • January 27: Sonic Heroes is released for the PlayStation 2 and Xbox in North America.
  • February 4: Triple Threat: Sonic Heroes Vocal Trax, CD of the vocal tracks from Sonic Adventure and Sonic Heroes, launches in Japan.
  • February 6: Sonic Heroes is released for the Nintendo GameCube, PlayStation 2 and Xbox in Europe and Australia. Sonic Adventure DX: Director's Cut is released for PC in Europe.
  • February 27: Sonic Battle is released for the Game Boy Advance in Europe.
  • March 3: Complete Trinity: Sonic Heroes Original Soundtrax, the soundtrack of Sonic Heroes, launches in Japan.
  • June 7: Sonic Advance 3 is released for the Game Boy Advance in North America.
    • Gemerl makes his debut into the Sonic universe in Sonic Advance 3.
  • June 17: Sonic Advance 3 is released for the Game Boy Advance in Japan.
  • June 18: Sonic Advance 3 is released for the Game Boy Advance in Europe.
  • August 26: SonicTeam Unplugged Live 2004, CD of six songs coming from various Sonic games, launches in Japan.
  • September 14: Sonic Adventure DX: Director's Cut is released for PC in North America.
  • October 22: Sega Superstars is released for the PlayStation 2 in Europe.
  • November 2: Sonic Mega Collection Plus for the PlayStation 2 and Xbox launches in North America.
  • November 3: Sega Superstars is released for the PlayStation 2 in North America.
  • November 11: Sega Superstars is released for the PlayStation 2 in Japan.
  • November 17: Sonic Heroes is released for the Microsoft Windows in North America.
  • November 26: Sonic Heroes is released for the Microsoft Windows in Europe.
  • November: Sonic Heroes Official Soundtrack, music CD of Sonic Heroes, launches in North America.
  • December 9: Sonic Mega Collection Plus for the PlayStation 2 and Xbox and Sonic Heroes for PC launches in Japan.
  • December: McDonald's launches another series of Sonic toys.

2005[]

  • February 4: Sonic Mega Collection Plus for the PlayStation 2 and Xbox launches in Europe.
  • March 8: Sonic is one of the first three heroes to be honored in the Walk of Game.
  • March 20: Sonic Mega Collection Plus for the PlayStation 2 and Xbox launches in Australia.
  • August 11: Sonic Gems Collection is released for the Nintendo GameCube and PlayStation 2 in Japan.
  • August 16: Sonic Gems Collection is released for the Nintendo GameCube in North America.
  • September 30: Sonic Gems Collection is released for the Nintendo GameCube and PlayStation 2 in Europe.
  • November 15: Shadow the Hedgehog for the Xbox, PlayStation 2 and Nintendo GameCube and Sonic Rush for the Nintendo DS launch in North America.
  • November 18: Shadow the Hedgehog for the Xbox, PlayStation 2 and Nintendo GameCube, and Sonic Rush for the Nintendo DS launch in Europe.
  • November 23: Sonic Rush is released on the Nintendo DS in Japan.
  • December 15: Shadow the Hedgehog is released on the Xbox, PlayStation 2 and Nintendo GameCube in Japan.

2006[]

  • February 21: Sonic Riders is released on Xbox, PlayStation 2 and Nintendo GameCube in North America for the 15th anniversary of Sonic.
  • February 23: Sonic Riders is released on Xbox, PlayStation 2 and Nintendo GameCube in Japan.
  • March 17: Sonic Riders is released on Xbox, PlayStation 2 and Nintendo GameCube in Europe.
  • March 22: Sonic Riders is released on PlayStation 2 in Australia.
  • March 30: Sonic Riders is released on Xbox in Australia and on PlayStation 2 in South Korea.
  • March 31: Sonic Mega Collection Plus is released on PC in Europe.
  • May 8: Confirmed by Engadget, Yuji Naka leaves Sega and Sonic Team to form his own company.
  • November 14: Sonic the Hedgehog is released on the Xbox 360 in North America for the 15th anniversary of Sonic.
  • November 16: Sonic the Hedgehog Genesis is released on the Game Boy Advance in North America.
  • November 17: Sonic Riders is released on PC in North America.
  • November 19: The original Sonic the Hedgehog is rereleased on the Wii Virtual Console in North America.
  • November 24: Sonic Rivals is released on the PlayStation Portable in North America. Sonic Riders for PC and Sonic the Hedgehog for the Xbox 360 are released in Europe.
  • November 30: Sonic the Hedgehog is released on the Xbox 360 in Australia.
  • December 1: Sonic Rivals is released on the PlayStation Portable in Europe.
  • December 2: Sonic the Hedgehog (16-bit) is rereleased on the Wii Virtual Console in Japan.
  • December 7: Sonic Rivals is released on the PlayStation Portable in Australia.
  • December 8: Sonic the Hedgehog (16-bit) and Dr. Robotnik's Mean Bean Machine are rereleased on the Wii Virtual Console in Europe.
  • December 11: Dr. Robotnik's Mean Bean Machine is rereleased on the Wii Virtual Console in North America.
  • December 21: Sonic the Hedgehog (2006) is released on the Xbox 360 and PlayStation 3 in Japan.

2007[]

  • January 30: Sonic the Hedgehog is released on the PlayStation 3 in North America.
  • February 20: Sonic and the Secret Rings is released on Wii in North America.
  • March 2: Sonic and the Secret Rings is released on Wii in Europe.
  • March 8: Sonic and the Secret Rings is released on Wii in Australia.
  • March 9: Sonic Mega Collection Plus is released on PC in North America.
  • March 12: Sonic Spinball is rereleased on the Wii Virtual Console in North America.
  • March 13: Sonic Spinball is rereleased on the Wii Virtual Console in Japan.
  • March 15: Sonic and the Secret Rings is released on Wii in Japan.
  • March 23: Sonic the Hedgehog 2006 is released on the PlayStation 3 in Europe and Australia.
  • March 29: Sonic Riders is released on PC in Australia.
  • April 5: Sonic Spinball is rereleased on the Wii Virtual Console in Europe.
  • April 6: Sonic Spinball is rereleased on the Wii Virtual Console in Australia.
  • June 11: Sonic the Hedgehog 2 is rereleased on the Wii Virtual Console in North America.
  • June 19: Sonic the Hedgehog 2 is rereleased on the Wii Virtual Console in Japan.
  • July 6: Sonic the Hedgehog 2 is rereleased on the Wii Virtual Console in Europe.
  • July 11: Sonic the Hedgehog (16-bit) is rereleased on the Xbox Live Arcade.
  • August 21: Sonic the Hedgehog 3 is rereleased on the Wii Virtual Console in Japan.
  • September 7: Sonic the Hedgehog 3 is rereleased on the Wii Virtual Console in Europe.
  • September 10: Sonic the Hedgehog 3 is rereleased on the Wii Virtual Console in North America.
  • September 12: Sonic the Hedgehog 2 is rereleased on the Xbox Live Arcade.
  • September 14: Sonic Rush Adventure is released on the Nintendo DS in Europe.
  • September 18: Sonic Rush Adventure is released on the Nintendo DS in North America.
  • September 27: Sonic Rush Adventure is released on the Nintendo DS in Australia.
  • October 16: Sonic 3D Blast is rereleased on the Wii Virtual Console in Japan.
  • October 18: Sonic Rush Adventure is released for the Nintendo DS in Japan.
  • November 2: Sonic 3D: Flickies' Island is rereleased on the Wii Virtual Console in Europe.
  • November 6: Mario & Sonic at the Olympic Games is released in North America for the Wii.
  • November 13: Sonic Rivals 2 is released on the PlayStation Portable in North America.
  • November 19: Sonic 3D Blast is rereleased on the Wii Virtual Console in North America.
  • November 22: Mario & Sonic at the Olympic Games is released on the Wii in Japan and Australia.
  • November 23: Mario & Sonic at the Olympic Games is released on the Wii in Europe.
  • December 6: Sonic Rivals 2 is released on the PlayStation Portable in Australia.
  • December 7: Sonic Rivals 2 is released on the PlayStation Portable in Europe.
  • December 18: Sonic the Hedgehog (16-bit) is rereleased on the iPod.

2008[]

  • January 8: Sonic Riders: Zero Gravity is released for the PlayStation 2 and Wii in North America.
  • January 17: Mario & Sonic at the Olympic Games for the Nintendo DS, and Sonic Riders: Zero Gravity for the Wii launch in Japan.
  • January 22: Mario & Sonic at the Olympic Games is released on the Nintendo DS in North America.
  • January 31: Super Smash Bros. Brawl is released for the Wii in Japan, with Sonic as a playable character.
  • February 7: Mario & Sonic at the Olympic Games is released on the Nintendo DS in Australia.
  • February 8: Mario & Sonic at the Olympic Games is released on the Nintendo DS in Europe.
  • February 22: Sonic Riders: Zero Gravity is released for the PlayStation 2 and Wii in Europe.
  • March 6: Sonic Riders: Zero Gravity is released for the PlayStation 2 and Wii in Australia.
  • March 9: Super Smash Bros. Brawl is released for the Wii in North America.
  • March 18: Sega Superstars Tennis is released for the PlayStation 2, PlayStation 3, Xbox 360, Wii and Nintendo DS in North America, with Sonic, Tails, Amy, Shadow and Dr. Eggman as playable characters and multiple courts and games based off the Sonic franchise.
  • March 20: Sega Superstars Tennis is released for the PlayStation 2, PlayStation 3, Xbox 360, Wii and Nintendo DS in Europe.
  • March 27: Sega Superstars Tennis is released for the PlayStation 2, PlayStation 3, Xbox 360, Wii and Nintendo DS in Australia.
  • June 26: Super Smash Bros. Brawl is released for the Wii in Australia.
  • June 27: Super Smash Bros. Brawl is released for the Wii in Europe.
  • August 4: Sonic the Hedgehog (8-bit) is rereleased on the Wii Virtual Console in North America.
  • August 5: Sonic the Hedgehog (8-bit) is rereleased on the Wii Virtual Console in Japan.
  • August 19: Sonic the Hedgehog (8-bit) is rereleased on the Wii Virtual Console in Europe and Australia.
  • September 25: Sonic Chronicles: The Dark Brotherhood is released for the Nintendo DS in Australia.
  • September 26: Sonic Chronicles: The Dark Brotherhood is released for the Nintendo DS in Europe.
  • September 30: Sonic Chronicles: The Dark Brotherhood is released for the Nintendo DS in North America.
  • November 18: Sonic Unleashed is released for the PlayStation 2 and Wii in North America. Sonic the Hedgehog 2 (8-bit) is rereleased on the Wii Virtual Console in Japan.
    • Sonic the Werehog, Sonic's new beast form generated by the corrupted Chaos Emeralds, makes his debut in Sonic Unleashed.
    • Chip, a supporting character in Sonic Unleashed also makes his debut.
  • November 20: Sonic Unleashed is released for the Xbox 360 in North America.
  • November 27: Sonic Unleashed is released for the PlayStation 2, Wii and Xbox 360 in Australia.
  • November 28: Sonic Unleashed is released for the PlayStation 2, Wii and Xbox 360 in Europe.
  • December 8: Sonic the Hedgehog 2 (8-bit) is rereleased on the Wii Virtual Console in North America.
  • December 9: Sonic Unleashed is released for the PlayStation 3 in North America.
  • December 18: Sonic Unleashed is released for the Wii in Japan and for the PlayStation 3 in Australia.
  • December 19: Sonic Unleashed is released for the PlayStation 3 in Europe.
  • December 26: Sonic the Hedgehog 2 (8-bit) is rereleased on the Wii Virtual Console in Europe.

2009[]

2010s[]

2010[]

  • January 29: Sonic at the Olympic Winter Games is released for iOS.
  • February 23: Sonic & Sega All-Stars Racing is released for the Xbox 360, PlayStation 3, PC, Wii and Nintendo DS in North America.
  • February 26: Sonic & Sega All-Stars Racing is released for the Xbox 360, PlayStation 3, PC, Wii and Nintendo DS in Europe.
  • March 3: Sonic Classic Collection is released for the Nintendo DS in North America.
  • March 4: Sonic & Sega All-Stars Racing is released for the Xbox 360, PlayStation 3, PC, Wii and Nintendo DS in Australia.
  • March 11: Sonic Classic Collection is released for the Nintendo DS in Australia.
  • March 12: Sonic Classic Collection is released for the Nintendo DS in Europe.
  • April 20 Sonic the Hedgehog 2 is rereleased on the iPhone/iPod Touch/iPad.
  • June 1: Sonic 3D Blast is rereleased on PC through Steam.
  • September 13: Sonic Spinball and Dr. Robotnik's Mean Bean Machine are rereleased on PC through Steam.
  • September 15: Sonic Adventure is rereleased through the Xbox Live Arcade in North America and Europe.
  • September 21: Sonic Adventure is rereleased through the PlayStation Network in North America and Europe.
  • September 22: Sonic Adventure is rereleased through the PlayStation Network in Australia.
  • September 29: Sonic Adventure is rereleased through the PlayStation Network in Japan, and Xbox Live Arcade in Japan and Australia.
  • October 7: Sonic the Hedgehog 4: Episode I is released for the iPhone/iPod Touch/iPad.
  • October 11: Sonic the Hedgehog 4: Episode I is released through WiiWare in North America.
  • October 12: Sonic the Hedgehog 4: Episode I is released through the PlayStation Network in North America and Japan and through WiiWare in Japan.
  • October 13: Sonic the Hedgehog 4: Episode I is released through the PlayStation Network (only in Europe and Australia) and Xbox Live Arcade.
  • October 15: Sonic the Hedgehog 4: Episode I is released through WiiWare in Europe and Australia.
  • October 26: Sonic the Hedgehog (16-bit) is rereleased on PC through Steam.
  • November 4: Sonic Free Riders is released for the Xbox 360 in North America.
    • The new voice cast makes its debut in this game.
  • November 10: Sonic Free Riders is released for the Xbox 360 in Europe.
  • November 11: Sonic Colors is released for the Wii and Nintendo DS in Australia.
    • Orbot and Cubot make their debut into the Sonic universe in Sonic Colors.
  • November 12: Sonic Colors is released for the Wii and Nintendo DS in Europe.
  • November 16: Sonic Colors is released for the Wii and Nintendo DS in North America.
  • November 18: Sonic Colors is released for the Wii and Nintendo DS in Japan. Sonic Free Riders is released for the Xbox 360 in Australia.
  • November 20: Sonic Free Riders is released for the Xbox 360 in Japan.
  • December 16: Sonic Spinball is rereleased on the iPhone/iPod Touch/iPad.

2011[]

  • January 26: Sonic 3 & Knuckles is rereleased on PC through Steam.
  • March 2: Sonic the Hedgehog (16-bit) is rereleased on the PlayStation Network in Europe.
  • March 4: Sonic Adventure DX: Director's Cut is rereleased on PC through Steam.
  • March 29: Sonic the Hedgehog (16-bit) is rereleased on the PlayStation Network in North America.
  • April 19: Sonic the Hedgehog 2 is rereleased on the PlayStation Network in North America.
  • April 20: Sonic the Hedgehog 2 is rereleased on the PlayStation Network in Europe.
  • May 31: Ken Penders files a federal lawsuit against Electronic Arts and Sega of America for plagiarism in Sonic Chronicles: The Dark Brotherhood.
  • June 15: Sonic the Hedgehog 4: Episode I is released for the Windows Phone 7.
  • June 23: Sega and Sonic Team celebrate Sonic's 20th Anniversary. Sonic & Sega All-Stars Racing is released for iOS.
  • July 28: Sonic the Hedgehog 2 is rereleased on the PlayStation Network in Japan.
  • November 1: Sonic Generations is released for the Xbox 360 and PlayStation 3 in North America for the 20th anniversary of Sonic.
  • November 3: Sonic Generations is released for the Xbox 360 and PlayStation 3 in Australia.
  • November 4: Sonic Generations is released for the Xbox 360 and PlayStation 3 (only in Europe) and Microsoft Windows (Steam).
  • November 15: Mario & Sonic at the London 2012 Olympic Games is released for the Wii in North America.
  • November 17: Mario & Sonic at the London 2012 Olympic Games is released for the Wii in Australia.
  • November 18: Mario & Sonic at the London 2012 Olympic Games is released for the Wii in Europe.
  • November 22: Sonic Generations is released for the Nintendo 3DS in North America.
  • November 24: Sonic Generations is released for the Nintendo 3DS in Australia.
  • November 25: Sonic Generations is released for the Nintendo 3DS in Europe. Sonic Advance is released for the Android in Japan.
  • December 1: Sonic Generations is released for the Xbox 360, PlayStation 3 and Nintendo 3DS in Japan.
  • December 8: Mario & Sonic at the London 2012 Olympic Games is released for the Wii in Japan.
  • December 14: Sonic the Hedgehog CD is rereleased for the PlayStation Network (only in Europe), Xbox Live Arcade and Android.
  • December 15: Sonic the Hedgehog CD is rereleased for the iPhone/iPod Touch/iPad.
  • December 20: Sonic the Hedgehog CD is rereleased for the PlayStation Network in North America.

2012[]

  • January 11: Sonic the Hedgehog features in the Progressive Local Agent commercial.
  • January 19: Sonic the Hedgehog 4: Episode I is released on PC through Steam.
  • January 25: Sonic the Hedgehog 4: Episode I is released for the Android.
  • February 9: Mario & Sonic at the London 2012 Olympic Games is released for the Nintendo 3DS in Australia.
  • February 10: Mario & Sonic at the London 2012 Olympic Games is released for the Nintendo 3DS in Europe.
  • February 14: Mario & Sonic at the London 2012 Olympic Games is released for the Nintendo 3DS in North America.
  • February 22: Sonic Heroes is rereleased for the PlayStation Network exclusively in Europe.
  • March 1: Mario & Sonic at the London 2012 Olympic Games is released for the Nintendo 3DS in Japan.
  • March 14: Sonic the Hedgehog Triple Trouble is rereleased for the Nintendo 3DS Virtual Console in Japan.
  • March 15: Sonic Triple Trouble is rereleased for the Nintendo 3DS Virtual Console in North America.
  • March 29: Sonic Triple Trouble is rereleased for the Nintendo 3DS Virtual Console in Europe and Australia.
  • April 18: G Sonic is rereleased for the Nintendo 3DS Virtual Console in Japan.
  • May 10: Sonic Labyrinth is rereleased for the Nintendo 3DS Virtual Console in Europe and Australia.
  • May 15: Sonic the Hedgehog 4: Episode II is released for the PlayStation Network (only in North America) and Microsoft Windows (Steam).
  • May 16: Sonic the Hedgehog 4: Episode II is released for the PlayStation Network (only in Europe and Japan) and Xbox Live Arcade. Sonic Labyrinth is rereleased for the Nintendo 3DS Virtual Console in Japan.
  • May 17: Sonic the Hedgehog 4: Episode II is released on iOS.
  • June 14: Sonic Blast is rereleased for the Nintendo 3DS Virtual Console in Europe and Australia.
  • June 25: Sonic the Hedgehog 4: Episode II is released for Android.
  • October 2: Sonic Adventure 2 is rereleased for the PlayStation Network in North America.
  • October 3: Sonic Adventure 2 is rereleased for the PlayStation Network in Europe.
  • October 4: Sonic Adventure 2 is rereleased for the PlayStation Network in Japan.
  • October 5: Sonic Adventure 2 is rereleased for the Xbox Live Arcade.
  • October 18: Sonic Jump is released for the iPhone / iPod Touch / iPad.
  • October 31: Sonic the Hedgehog (8-bit) is rereleased on the Nintendo 3DS Virtual Console in Japan.
  • November 2: Disney's Wreck-It Ralph is released in theaters. Having Sonic and Dr. Eggman make cameos in the film (in which Roger Craig Smith voiced Sonic).
  • November 14: Sonic the Hedgehog CD is rereleased for Windows Phone 7. Sonic Drift 2 is rereleased for the Nintendo 3DS Virtual Console in Japan.
  • November 15: Sonic & All-Stars Racing Transformed is released for the Xbox 360 and PlayStation 3 in Australia.
  • November 16: Sonic & All-Stars Racing Transformed is released for the Xbox 360 and PlayStation 3 in Europe.
  • November 18: Sonic & All-Stars Racing Transformed is released for the Xbox 360, PlayStation 3 and Wii U in North America.
  • November 19: Sonic Adventure 2 is rereleased for Windows (Steam).
  • November 27: Sonic the Fighters is rereleased for the PlayStation Network in North America.
  • November 28: Sonic the Fighters is rereleased for the PlayStation Network (only in Japan) and Xbox Live Arcade.
  • November 30: Sonic & All-Stars Racing Transformed is released for the Wii U in Europe and Australia.
  • December 5: Sonic the Fighters is rereleased for the PlayStation Network in Europe.
  • December 7: Sonic & All-Stars Racing Transformed is released for the PlayStation Vita in Europe.
  • December 18: Sonic & All-Stars Racing Transformed is released for the PlayStation Vita in North America.
  • December 21: Sonic Jump is released for the Android.

2013[]

  • January 31: Sonic & All-Stars Racing Transformed is released for Microsoft Windows.
  • February 8: Sonic & All-Stars Racing Transformed is released for the Nintendo 3DS in Europe.
  • February 12: Sonic & All-Stars Racing Transformed is released for the Nintendo 3DS in North America.
  • March 7: Sonic Dash is released on iOS.
  • April 3: Tails Adventures is rereleased on the Nintendo 3DS Virtual Console in Japan.
  • April 4: Sonic & Sega All-Stars Racing is released for the Mac OS X.
  • April 25: Sonic Athletics is released in Japan as an arcade game.
  • May 15: 3D Sonic the Hedgehog is released on the Nintendo 3DS eShop in Japan.
  • May 16: Sonic the Hedgehog (16-bit) is rereleased on iOS and Android. Now with enhanced performance, graphics and sound; plus two new playable characters, Tails and Knuckles.
  • June 13: Sonic the Hedgehog (8-bit) and Dr. Robotnik's Mean Bean Machine is rereleased on the Nintendo 3DS Virtual Console.
  • June 19: Shadow the Hedgehog is rereleased for the PlayStation Network in Japan.
  • June 20: Sonic Blast is rereleased for the Nintendo 3DS Virtual Console in North America. Tails Adventure is rereleased for the Nintendo 3DS Virtual Console in Europe, North America and Australia.
  • June 26: Archie Comics and Ken Penders reach a settlement, and the former's lawsuit against the latter comes to an end.
  • June 27: Sonic Labyrinth is rereleased for the Nintendo 3DS Virtual Console in North America.
  • July 4: Sonic Drift 2 is rereleased for the Nintendo 3DS Virtual Console in Europe, North America and Australia.
  • July 8: Both episodes of Sonic the Hedgehog 4 are released for the Ouya.
  • July 27: Sonic Ghost Shooting releases in Japan as arcade game.
  • July 31: Sonic the Hedgehog 4: Episode II is released for the Nvidia Shield.
  • August 1: Sonic the Hedgehog CD is rereleased on the Ouya.
  • September 19: Sonic & Sega All-Stars Racing is released on the Android.
  • October 1: Sega of America wins the legal lawsuit between a former Archie writer and Electronic Arts involving Sonic Chronicles: The Dark Brotherhood and therefore managed to keep full ownership over the Chronicles-made characters.
  • October 17: Sega Superstars Tennis is released for the OS X.
  • October 18: Sonic Lost World is released for the Wii U and Nintendo 3DS in Europe.
    • Zavok and the Deadly Six make their debut into the Sonic universe in Sonic Lost World.
  • October 19: Sonic Lost World is released for the Wii U and Nintendo 3DS in Australia.
  • October 24: Sonic Lost World is released for the Wii U and Nintendo 3DS in Japan.
  • October 29: Sonic Lost World is released for the Wii U and Nintendo 3DS in North America.
  • November 8: Mario & Sonic at the Sochi 2014 Olympic Winter Games is released for the Wii U in Europe.
  • November 9: Mario & Sonic at the Sochi 2014 Olympic Winter Games is released for the Wii U in Australia.
  • November 15: Mario & Sonic at the Sochi 2014 Olympic Winter Games is released for the Wii U in North America.
  • November 26: Sonic Dash is released for Android devices.
  • November: Sonic the Hedgehog 2 is rereleased for iOS and Android. Sonic Brain Ranking releases in Japan as arcade game.
  • December 5: Mario & Sonic at the Sochi 2014 Olympic Winter Games is released for the Wii U in Japan. 3D Sonic the Hedgehog is released on the Nintendo 3DS eShop in North America, Europe and Australia.
  • December: Sonic & All-Stars Racing Transformed is released for iOS and Android.

2014[]

2015[]

2016[]

  • February 18: Mario & Sonic at the Rio 2016 Olympic Games is released for the Nintendo 3DS in Japan.
  • March 18: Mario & Sonic at the Rio 2016 Olympic Games is released for the Nintendo 3DS in North America.
  • April 8: Mario & Sonic at the Rio 2016 Olympic Games is released for the Nintendo 3DS in Europe.
  • April 9: Mario & Sonic at the Rio 2016 Olympic Games is released for the Nintendo 3DS in Australia.
  • June 23: Sonic's 25th anniversary and Mario & Sonic at the Rio 2016 Olympic Games is released for the Wii U in Japan.
  • June 24: Mario & Sonic at the Rio 2016 Olympic Games is released for the Wii U in North America and Europe.
  • June 25: Mario & Sonic at the Rio 2016 Olympic Games is released for the Wii U in Australia.
  • July 22: At a party celebrating the 25th anniversary of the franchise, Sega announces Sonic Mania and Project Sonic 2017.
  • July 27: Sega Networks shut down the servers of Sonic Runners after only one year in operation.
  • August 1: A legal lawsuit is filed against Archie Comics and Sega of America by Scott Fulop.
  • September 30: Sonic Boom: Fire & Ice is released for the Nintendo 3DS.
  • October 29: Premiere of the second season of the Sonic Boom television series.

2017[]

  • March 16: At the South By South West (SXSW) Sonic panel, the release of Sonic Mania is delayed from Spring 2017 to Summer 2017. Project Sonic 2017 has been officially named Sonic Forces.
  • July 17: Sonic Runners Adventure releases on Android devices through the Gameloft website.
  • July 19: Sega ends their business relationship with Archie Comics on their Archie series, after 24 whole years.
  • August 15: Sonic Mania releases on the PlayStation 4, Xbox One, and Nintendo Switch.
  • August 29: Sonic Mania releases on PC.
  • September 5: Scott Fulop loses the lawsuit he filed against Archie and Sega.
  • October 2: Paramount Pictures announced that they had acquired the rights to distribute a Sonic film after Sony put the film in turnaround.
  • November 2: Sonic Forces: Speed Battle releases on Apple devices worldwide.
  • November 15: Sonic Forces Speed Battle releases on Android devices worldwide.
  • November 7: Sonic Forces is released.
    • The Avatar and Infinite make their debut into the Sonic series in Sonic Forces.
  • November 11: Conclusion of the second season of the Sonic Boom television series.
  • December 20: Sonic Runners Adventure releases for iOS worldwide.

2018[]

  • March 30: First episode of Sonic Mania Adventures releases on the Internet.
  • April 4: IDW Publishing releases their first issue of Sonic the Hedgehog.
  • July 17: The final episode of Sonic Mania Adventures releases on the official Sonic YouTube channel, and Sonic Mania Plus releases on PlayStation 4, Xbox One, Nintendo Switch and PC.
  • July 28: An American arcade enthusiast finds a build of the unreleased SegaSonic Bros. arcade game and shows it off at a Californian Arcade Expo, finally allowing fans to play it.
  • September 20: Sega Ages: Sonic the Hedgehog releases on the Nintendo Switch.
  • November 21: Disney's Ralph Breaks the Internet is released in theaters. Having Sonic and Dr. Eggman make cameos in the film (in which Roger Craig Smith voiced Sonic).
  • December 7: Super Smash Bros. Ultimate releases worldwide on the Nintendo Switch.
  • December 10: A teaser image and poster are released for the Sonic the Hedgehog film.
  • December 20: A surprise Sonic Mania Adventures holiday special, "From: A. Rose", is published to the official Sonic YouTube channel.
  • December 21: A Twitter account goes live for the Sonic the Hedgehog film.

2019[]

  • March 16: A Sonic panel is held at South By South West (SXSW) revealing several things, including the release date of Team Sonic Racing's official soundtrack, a two-part animated series in the vein of Sonic Mania Adventures, Team Sonic Racing Overdrive, customization in Team Sonic Racing, DVD releases of both seasons of the Sonic Boom TV Show, and several new merchandise items. A time trial competition for Sonic Mania is also held at the event, with the winners receiving statues of the Phantom Ruby.
  • March 27: A mobile game to coincide with Team Sonic Racing is revealed as an exclusive for Apple Arcade.
  • March 29: Mario & Sonic at the Olympic Games Tokyo 2020 is revealed, along with teasers of a Sonic-only mobile version and an arcade release.
  • April 25: The second episode of Team Sonic Racing Overdrive is released.
  • April 30: First official trailer for the Sonic the Hedgehog film is published online.
  • May 2: Jeff Fowler announced on Twitter that Sonic will have a redesign.
  • May 21: Team Sonic Racing releases on PC, PlayStation 4, Xbox One, and Nintendo Switch.
  • May 29: Maximum Overdrive - Team Sonic Racing Original Soundtrack releases for digital download.
  • June 7: Data Discs announces Sonic the Hedgehog CD vinyl to be available for pre-ordering.
  • September 19: Sonic Racing releases on IOS via Apple Arcade.
  • September: Data Discs releases Sonic the Hedgehog CD vinyl.
  • November 1: Mario & Sonic at the Olympic Games Tokyo 2020 releases in Japan.
  • November 5: Mario & Sonic at the Olympic Games Tokyo 2020 releases in North America.
  • November 8: Mario & Sonic at the Olympic Games Tokyo 2020 releases in Europe.
  • November 12: The second trailer for the Sonic the Hedgehog film is published online with Sonic's new design.

2020s[]

2020[]

  • January 20: Sega announces on their Sonic Channel website that they will announce Sonic news on the 20th of every month for the whole year.
  • February 12: The Sonic the Hedgehog film releases in theaters in France.
  • February 14: The Sonic the Hedgehog film releases in theaters in North America.
  • February 20: Sega Ages: Sonic the Hedgehog 2 releases on Nintendo Switch.
  • May 7: Sonic at the Olympic Games releases on iOS and Android.
  • May 28: A sequel, Sonic the Hedgehog 2, begins development.
  • June 26: The Sonic the Hedgehog film releases in theaters in Japan.
  • September 13: Sega announces plans for Sonic's 30th anniversary.

2021[]

2022[]

2023[]

2024[]

Sonic the Hedgehog in other media
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