Yeah sonic frontiers is definitely the 3rd story book series game : r/SonicFrontiers

Love how Sonic be looking as short as a child LOL : r/SonicFrontiers

Sega (accidentally) leaked the 3rd Starfall island : r/SonicFrontiers

Sonic Frontiers: Taking Some Lessons From Judgement : r/SonicFrontiers

Convergence Part 2 (Spoilers On) : r/SonicFrontiers

Sonic the Hedgehog Sonic News Network+BreezeWiki

Sonic 3 A.I.R: Frontiers Edition ✪ Full Game (NG+) Playthrough (1080p/60fps)

Cover Reveal – Sonic Frontiers - Game Informer

I personally think Frontiers is the 3rd Storybook game

My Drawing of sonic movie 2, sonic vs knuckles <3 : r/SonicTheHedgehog

I personally think Frontiers is the 3rd Storybook game