Sonic Superstars Title Screen after completing the game : r/SonicTheHedgehog

Update: First new details on Sonic Origins uncovered in storefront listings - Tails' Channel

Sonic Origins on Steam

Sonic the Hedgehog (2006), Sonic Wiki Zone

Oh Look, A New Sonic Game - Sonic Superstars Announced - Sonic Retro

Sonic Superstars Emerald Powers revealed

Title Screen Sonic Superstars (Remix)

I came across this title screen. Possibly a Sonic 1 beta title screen? : r/ SonicTheHedgehog

Title Screen Customization [Sonic 3 A.I.R.] [Mods]

Sonic Superstars Is a New 2.5D Sonic the Hedgehog Game - Siliconera

Drew the Sonic 2 Title Screen : r/SonicTheHedgehog