Sonic Frontiers' free DLC gets release date, classic Sonic music - Polygon

Sega and Sonic Team will release the first free update for Sonic Frontiers on March 22, adding new challenges modes, photo mode, and the music jukebox.

Franchise Festival #87: Sonic the Hedgehog (2008-2017) – The Avocado

Sonic The Hedgehog 2 HD Project (Fan Game) - Is it any good?

SONIC FRONTIERS FREE DLC CONFIRMED! NEW STORY, PLAYABLE CHARACTERS, NEW ZONES, XMAS COSTUME, & MORE!

Sonic Frontiers Official Website

Sonic Superstars, Sonic Wiki Zone

All Features Confirmed for Sonic Frontiers' Sights, Sounds, and Speed DLC

Sonic News, Page 4

Sonic Origins releasing on June 23rd!, Page 5

SEGA is proving to be the most incompetent publisher out there.

Sonic Frontiers' Next DLC Dates Are Obvious, But Perfect

Sonic Frontiers' free DLC gets release date, classic Sonic music - Polygon

Sonic Frontiers DLC Story Characters Update Info