Sonic Team Says 2021 Is The Next Big Year For Sonic - Game Informer

Takashi Iizuka teased big things for the Sonic brand for its 30th anniversary.

I think they should ignore the fans and do what they think is right : r/SonicTheHedgehog

Sonic Frontiers, Nintendo

sonic the hedgehog News, Rumors and Information - Bleeding Cool News Page 5

Sonic Forces (2017), Switch Game

Sonic Team boss: If Sonic Frontiers is a hit then it will be the “cornerstone of future Sonic games” - My Nintendo News

Sonic Frontiers Delayed Out of 2021 to Ensure Quality – The Boss Rush Network

Sonic Frontiers director promises “serious” and “dramatic” storytelling - Dexerto

Discuss Everything About Sonic Wiki Zone

Sonic Team's Takashi Iizuka promises “The next big year for Sonic is 2021” » SEGAbits - #1 Source for SEGA News

Sonic the Hedgehog Archives - Page 7 of 16 - Nintendo Everything

Sonic Superstars: A New 2D Sonic Game (Fall 2023), Page 102

Sonic the Hedgehog (2006 video game) - Wikipedia