Artwork of a Chaos Emerald, from AbelMunizJr’s scans of the ‘Sonic X’ model sheets.

Scouter Smash Green Grove Zone 'Sonic 3D Blast' SEGA Mega Drive

A comparison of Tails' model in 'Sonic Adventure' and the DX re-release.

What if Sonic.exe was Sega official:

#SonicSpeedSimulator

Tangle and Whisper finally have voices

and they are PERFECT

#SonicTheHedgehog

A spin around of the Eggman model used in the ‘Sonic Heroes’ cinematics, posted by Matt McDonald, whose production studio developed the CGI animation.

Concept artwork of City Escape, from 'Sonic Adventure 2'.

The blue blur.

A spin around of the Knuckles TOTAKU figurine.