Sonic Origins got help from the Sonic Mania team

The Sonic Origins developer is actually the Sonic Mania team at Headcannon, at least partly - even as fans continue to complain about the strange pre-order DLC

Sonic Origins tech review: glitches and a steep price make for a tough sell

Sonic Mania Dev on Origins of Easter Eggs, Sega References

Sonic Origins locks game modes behind paid DLC – and fans aren't happy

Sonic Mania: How it Became the Ultimate Sonic Experience

Sonic Mania PS4 PlayStation 4 SM-63245-3 - Best Buy

Sonic Origins release date – remasters spinning-in summer

Sonic Origins: Why Fans Are Upset About Sonic 3's Soundtrack

Sonic Mania Plus Review - An Updated Insta-Classic - Niche Gamer

Sonic Superstars was originally set to be developed by the Mania team, Naoto Oshima now in charge of project, Page 2

Sonic Mania (Video Game 2017) - IMDb

Classic Sonic Hack 'Sonic Megamix' Is Being Remade In Sonic Mania's Engine