Sonic the Hedgehog 4: Episode II, Sega Wiki

Sonic the Hedgehog 4: Episode II is a video game in the Sonic the Hedgehog series. It takes place immedietly after the ending of Sonic the Hedgehog 4: Episode I and contains elements and call backs to Sonic CD. Sonic, having defeated Dr. Eggman in Episode I, meets back up with Tails, who was secretly supporting Sonic's adventure in the previous title(such as building the rocket to allow Sonic to progress). They discover Little Planet is returning, and decide to scout it out. Dr. Eggman meanwhile

Sonic Superstars - Mainline Sonic Games - Sonic Stadium

Sonic the Hedgehog 4: Episode II - Mainline Sonic Games - Sonic

Sonic the Hedgehog 4: Episode III (lost build of cancelled sequel

Sonic Superstars - PCGamingWiki PCGW - bugs, fixes, crashes, mods

Sonic the Hedgehog 4: Episode Metal, Sonic Wiki Zone

Mario & Sonic at the London 2012 Olympic Games (Wii) - Super Mario

Sonic 4 Episode II, Wiki

List of Sonic the Hedgehog characters

Diddy Kong - Super Mario Wiki, the Mario encyclopedia

Sonic Mania - Wikiwand

Sonic the Hedgehog 2 — StrategyWiki

Sonic the Hedgehog 4: Episode II, Sega Wiki