We talk with several key people to learn how Sonic went from Mario's biggest rival to living on Nintendo systems.
Opinion – Nine Sonic Games I'd Rather Sega Make Than Another Sonic Boom - Game Informer
Sonic Team – Sonic City Sonic the Hedgehog News, Media, & Community
Game Informer Issue 071 March 1999, PDF, Video Game Development Companies
In Mario & Sonic at the Olympic Games, players will compete in events that take place in environments based on the official venues of the Beijing 2008
Mario And Sonic at the Olympic Games
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Sonic Frontiers Cover Story - Brave New World - Game Informer
Sonic Mania - Wikipedia
Sonic Frontiers Cover Story - Brave New World - Game Informer
Jumping Platforms: How Sonic Made The Leap To Nintendo - Game Informer
Opinion – Nine Sonic Games I'd Rather Sega Make Than Another Sonic Boom - Game Informer