Sonic Frontiers

Sonic Frontiers is an upcoming 2022 Sonic the Hedgehog game.

Pre-release
Initially teased on the 27th May, 2021 as part of the Sonic Central 30th anniversary livestream, Sonic Frontiers was officially announced on the 10th December, 2021 at the Game Awards 2021.

From the official sonic website:

"An experience like never before, accelerate to new heights and experience the thrill of high velocity open-zone freedom.

Battle powerful enemies as you speed through the Starfall Islands - landscapes brimming with dense forests, overflowing waterfalls, sizzling deserts and more!

This Holiday 2022 - Speed into new realms."

Sonic Boom and IDW Sonic the Hedgehog comic writer Ian Flynn is confirmed to be working on the story.

Playable
Sonic the Hedgehog

Super Sonic

Non-Playable
Chao & the Time Eater may appear.
 * Miles "Tails" Prower
 * Amy Rose
 * Knuckles the Echidna
 * Big the Cat
 * Shadow the Hedgehog
 * Silver The Hedgehog
 * Rouge The Bat
 * Vector the Crocodile
 * Dr. Eggman
 * Metal Sonic
 * Orbot
 * Cubot
 * Zavok
 * Sage (1st Appearance)
 * Koco (1st Appearance)

Gameplay
Sonic Frontiers is said to be the first open-world Sonic the Hedgehog title.