1. Sega trademarks Sonic Frontiers ? Eurogamer.net  Eurogamer.net
  2. ?Sonic Frontiers? title trademarked by Sega in Japanese and English  NME
  3. SEGA Trademarks 'Sonic Frontiers', Probably the Final Name of Upcoming Game  Push Square
  4. Sega?s ?Sonic Frontiers? trademark seemingly corroborates open-world claims  Video Games Chronicle
  5. New Sega Trademark Might Reveal the Name of Sonic's Next Game  ComicBook.com


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