Steam Workshop::Classic Sonic

Sonic the Hedgehog 4 - Episode I on Steam

SONIC SUPERSTARS on Steam

Sega working with Valve to reinstate mods pulled from Steam without explanation [Updated]

Steam Workshop::Rouge the Bat - Sonic the Hedgehog (Classic/Riders/Dress by MikeyJaw)

Steam Workshop::Classic Sonic Alternative Textures (SFM PORT)

Steam Workshop::Sonic Classic +

A Better Classic Sonic for Generations

Sega are delisting older versions of the classic games in Sonic Origins

10 Great Sonic Mods in the Steam Workshop

Steam Workshop::Classic Sonic - Run Pose

Sonic Generations, Gens

Sonic classic [Half-Life] [Mods]