The most likely next Sonic game people are talking about is a Sonic Frontiers Definitive Edition or some kind of enhanced re-release, not necessarily a brand-new mainline sequel yet. Recent online discussion and leak-style coverage point to a rated entry labeled “Sonic Frontiers Definitive Edition,” with speculation that it could be tied to newer hardware like Switch 2 rather than a full new game.

What’s being discussed

  • A Korean ratings entry reportedly matches Sonic Frontiers Definitive Edition.
  • Commentators are interpreting that as an upgraded version with better performance, visuals, and bundled content.
  • Some newer rumor videos still suggest a future mainline Sonic game is in development, but that is still speculation rather than an official announcement.

Most likely possibilities

  1. Frontiers Definitive Edition
    This is the strongest rumor trail right now because it is tied to a ratings listing.
  1. A brand-new mainline Sonic game
    This is possible, but the current public chatter is less concrete than the definitive-edition rumor.
  1. A smaller spin-off or remaster
    That remains plausible too, since the franchise has a history of mixing major releases with side projects and re-releases.

Practical read

If you want the safest answer, it’s this: the next Sonic release people are most confidently pointing to is Sonic Frontiers Definitive Edition, but SEGA has not officially confirmed the next brand-new Sonic game yet.

TL;DR: The current rumor mill points most strongly to Sonic Frontiers Definitive Edition as the next Sonic-related game, while a true new mainline game is still unconfirmed.