Sonic is back with a bold new direction in Sonic Frontiers. Sonic Frontiers takes cues from modern open world games to create something both familiar and all new for Sonic. So, here is everything you need to know about Sonic Frontiers. Sonic is back with a bold new direction in Sonic Frontiers. Sonic Frontiers takes cues from modern open world games to create something both familiar and all new for Sonic. So, here is everything you need to know about Sonic Frontiers.