Here is an overview of the game, via Sega:
Worlds will collide in Sonic the Hedgehog‘s newest adventure. 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! Journey into new realms.
“Sonic Frontiers is a huge leap forward for the franchise, delivering an evolved gameplay experience that can be enjoyed by longtime Sonic fans and action–adventure enthusiasts alike,” said Sonic Team USA creative officer Takashi Iizuka in a press release. “With the effort of the talented developers at Sonic Team Japan, we’ve created an all-new style of gameplay experience for Sonic the Hedgehog, where players will be able to explore lush and expansive landscapes with Sonic’s signature speed and abilities. There’s sure to be lots of twists and turns around every corner in Sonic Frontiers, and we’re excited to unveil more information about the game over the coming months.”
Watch the debut trailer below. View a set of screenshots at the gallery.