Sonic 20th Anniversary
From Sonic Retro
|Sonic 20th Anniversary|
Sonic 20th Anniversary was a free-to-play app developed and published by Sega for iOS devices. It was released to celebrate the 20th anniversary of the first Sonic the Hedgehog game in 1991. The app consisted of a demo of Sonic the Hedgehog 4 Episode I, the 2D mini-game Sonic the Sketchhog, and various wallpapers.
The app was removed from iTunes on 31 December 2011.
|Main article: Sonic 20th Anniversary/Changelog|
- http://itunes.apple.com/jp/app/sonic-20th-anniversary/id438613275?mt=8 (Wayback Machine: 2011-06-28 13:16)
- https://www.sonicstadium.org/2011/09/english-sonic-20th-anniversary-ios-app-now-available-on-the-app-store/ (Wayback Machine: 2017-06-22 06:25)
- http://itunes.apple.com/jp/app/sonic-20th-anniversary/id438613275?mt=8 (Wayback Machine: 2011-12-25 08:37)
|Sonic the Hedgehog games for the following systems|
|2007 Sonic the Hedgehog (iPod) 2009 Sonic the Hedgehog (iPhone) 2010 Sonic the Hedgehog 2 | Sonic Spinball | Sonic at the Olympic Winter Games | Sonic the Hedgehog 4 Episode I | Sonic Comics 2011 Sonic 20th Anniversary | Sonic the Sketchhog | Sonic & Sega All-Stars Racing | Sonic the Hedgehog CD 2012 Sonic the Hedgehog 4 Episode II | Sonic the Hedgehog Skins | Sonic Jump 2013 Sonic Dash | Sonic the Hedgehog | Sonic the Hedgehog 2 | Sonic & All-Stars Racing Transformed 2014 Sonic Jump Fever 2015 Sonic Runners | Sonic Dash 2: Sonic Boom 2017 Sonic Forces: Speed Battle 2019 Sonic Racing 2020 Sonic at the Olympic Games 2022 Sonic Speed Simulator|