The Sonic Mania studio helped work on Sonic Origins – Destructoid

There is now a Sonic Mania studio Sonic Origins connection - Headcannon has confirmed their involvement with Origins.

Sonic Mania Plus, Sonic Wiki Zone

The studio behind Sonic Mania helped out with Sonic Origins

Sonic Origins Mania Project Sonic and Sega Retro Forums

Sonic the Hedgehog 2 - Wikipedia

SONIC MANIA PLAYABLE IN SONIC ORIGINS..

Sonic Origins Review - Close but no Sonic Mania - Checkpoint

Figured it'd be appropriate enough to share progress on/showcase Junio/Toei Sonic (and more) since Sonic CD released today (Nov. 23rd) for America's Sonic Mania Day in 1993. : r/SonicTheHedgehog

SONIC ORIGINS VS SONIC MANIA Comparison - Sonic The Hedgehog ACT 1 Graphics Comparison

Sonic Mania Developer Very Unhappy About Origins!

12 minutes of unadulterated Sonic Mania – Destructoid

Sonic Origins, Sonic Wiki Zone

Review: Sonic Mania – Destructoid

Retro gamer №119 by Michel França - Issuu