Sonic & Knuckles - Mainline Sonic Games - Sonic Stadium

Sonic & Knuckles arrived in the form of a very clever lock-on format cartridge, so that SEGA could continue their massive Sonic 3 saga. To get the most out of S&K, you of course need Sonic 3 but if you don't have it, SEGA has made it compatible with Sonic 1 and Sonic 2 as well. But on its

Ranking 'Sonic the Hedgehog' Games on Nintendo Switch – SwitchArcade Special Edition – TouchArcade

Classic Sonic's always showing up in Modern Sonic's games, so it's about time Modern Sonic repaid the favor. : r/SonicTheHedgehog

Sonic Origins - Wikipedia

The History of Sonic the Hedgehog: The Genesis Era - LevelSkip

every MAINLINE game in chronolgical release order? : r/SonicTheHedgehog

Sonic the Hedgehog: Little Brothers

Sonic News Nintendo Life

Sonic Mania - Mainline Sonic Games - Sonic Stadium

Sonic Superstars - Keep It Simple, Sonic! (Review)

Are IDW Sonic and Prime Sonic the mainline Sonic?

Sonic The Hedgehog 2 Scores Best Opening Weekend For Any Video Game Movie Ever - Game Informer

Ranking Every Mainline Sonic The Hedgehog Game - Game Informer

Sonic & Knuckles - Mainline Sonic Games - Sonic Stadium

All Mainline Sonic Games In Order Of Release Date

Mainline Sonic Games - Sonic Wiki [BETA] - Sonic Stadium