During Sonic's 30th anniversary livestream, Sega teased a new Sonic game from Sonic Team due out at some point in 2022.
Without naming the game, Sega revealed this new Sonic game is coming to Nintendo Switch, PlayStation, Xbox, and PC. The brisk accompanying trailer didn't show anything beyond the hedgehog running through a forest, and a mysterious symbol:
Sonic fans soon poked around the trailer's innards on the hunt for clues. Thankfully, Sega itself stepped in with a press release that names the game.