Sonic the Hedgehog 4: Episode II Review - GameSpot

Sonic the Hedgehog 4: Episode II is a solid though unremarkable continuation of the long-running formula.

Sonic the Hedgehog 4 goes episodic this summer - GameSpot

Sonic the Hedgehog 4: Episode II - GameSpot

Sonic the Hedgehog 4: Episode II - Wikipedia

Sonic the Hedgehog 4: Episode II Review - IGN

New Episode 2 Trailer Highlights Sonic 4: Episode Metal DLC

Sonic the Hedgehog CD (2011), Sonic Wiki Zone

Sonic the Hedgehog 4: Episode I, Sonic Wiki Zone

Sonic the Hedgehog 4: Episode 1 - Metacritic

Sonic the Hedgehog 4: Episode II (2012) - MobyGames