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

Why Didn't Sonic Mania 2 Happen? - Game Informer

Sonic Mania: How it Became the Ultimate Sonic Experience

10x Sonic Mania Plus Origins, But Its Only The Cha by Abbysek on DeviantArt

Review - Sonic Origins - WayTooManyGames

Sonic Origins overview trailer - Gematsu

Buy Sonic Mania

Sonic Origins Plus - PlayStation 5

Sega explains why a Sonic Mania sequel didn't happen

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

Sonic Mania + Team Sonic Racing - Nintendo Switch - 9853150

Was Sonic Mania The BEST In The Series?

Sonic Mania studio confirms they are working on Origins Plus

Sonic Mania Dev Confirms Involvement With Sonic Origins

The problem with Sonic Origins – Snat's Narratives & Tales

Sonic CD VS Sonic Mania:: Which is Better? – The Power Team – iRetroGamer Rewind