Steam Workshop::Sonic Classic +

Classic Sonic & Tails [Sonic the Hedgehog 4: Episode II] [Mods]

Sonic classic [Half-Life] [Mods]

Steam Workshop::Sonic the Hedgehog

Steam Workshop::Sonic the Hedgehog

The Classic Sonic Definitive Experience in Generations

Steam Workshop::Classic Sonic

Super Sonic DLC on Steam

Steam Workshop::Adventures of Sonic the Hedgehog - Sonic The Hedgehog

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

Steam Workshop::Classic Sonic C+ Pack

10 Great Sonic Mods in the Steam Workshop

10 Great Sonic Mods in the Steam Workshop

Sonic Generations Collection on Steam

Sonic Unleashed Animated Nextbot [Garry's Mod] [Mods]