All resolutions above 480i / 480p show no video. There is text corruption throughout the game in the menu, gameplay, pause, and other screens. a b "Sonic the Hedgehog 2 for Genesis". GameSpot. Archived from the original on June 27, 2010 . Retrieved December 5, 2010.

Sonic the Hedgehog Release Information for iPhone/iPod". GameFAQs. CBS Interactive. Archived from the original on October 26, 2012 . Retrieved November 20, 2010. Game takes almost a minute to load from the Xbox splash screen. There are graphical issues when moving between screens. a b "Coming to Xbox Originals: Splinter Cell:CT and Metal Arms - Xbox Live's Major Nelson". Major Nelson. April 15, 2008. Archived from the original on December 11, 2008 . Retrieved April 4, 2018. Unable to utilize Xbox Live on Xbox 360 before the service was shut down. When text is displayed there are graphical artifacts. a b c "Sonic Unleashed for Wii". GameSpot. Archived from the original on December 5, 2008 . Retrieved October 17, 2010.

Video Games Encyclopedia by Gamepressure.com

We haven’t been exactly vague about which Sonic games tend to be the worst. Once games went 3D, Sonic just couldn’t keep up, and they even lost what made his old 2D games great in the process. That was, with a few exceptions, true until Sonic Generations came out. This was one of the first times a Sonic game split itself between classic levels, only now presented in 2.5D, and the new 3D style. Old Sonic would take the lead in classic levels, utilizing his old moveset, while modern Sonic kept pushing spectacle via high speed and dynamic set pieces with a third-person camera perspective. Dreamfall: The Longest Journey". Delisted Games. July 9, 2017. Archived from the original on April 12, 2018 . Retrieved April 7, 2018. Chris Kohler (June 11, 2017). "Xbox One Will Get Compatibility With Original Xbox Games [Update]". kotaku.com. Gizmodo Media Group. Archived from the original on June 14, 2017 . Retrieved June 12, 2017.

a b "Sonic Classic Collection Release Information for DS". GameFAQs. Archived from the original on November 12, 2010 . Retrieved December 2, 2010. Text still appears when scrolling through the upgrade menu screen. There are performance drops during game play. There are some texture issues. a b c "Sonic CD for Sega CD". GameSpot. CBS Interactive. Archived from the original on November 15, 2010 . Retrieved January 19, 2011.Sonic CD Has Arrived on OUYA!". Archived from the original on October 21, 2014 . Retrieved August 13, 2014. Sonic the Hedgehog 2 Release Information for iPhone/iPod". GameFAQs. CBS Interactive. Archived from the original on October 26, 2012 . Retrieved December 5, 2010.