Full list of everything the Sonic Origins DLC will contain, from SEGA Asia's website : r/SonicTheHedgehog

No Plans For Sonic Origins Physical Release Right Now, But Sega

Sonic Origins - IGN

Superstars DLC and New game in 2024 - Sonic News - Sonic Stadium

A more comprehensive chart of Sonic Origin's DLC : r

ADDED FEATURES｜SONIC ORIGINS Official Site

Sonic Origins Plus Rumored For Release June 2023

Is Sonic Origins Plus considered DLC? : r/SonicTheHedgehog

Sega Announces new Sonic The Hedgehog game Ahead of E3

Sonic Origins - IGN

Sonic Superstars, Sonic Wiki Zone

Sonic Origins - IGN

Sonic the Hedgehog / Awesome Music - TV Tropes