Sonic the Hedgehog Review - GameSpot

Sonic the Hedgehog may share its name with the Genesis original, but this game is even more broken than most of the other recent Sonic games have been.

List of Sonic the Hedgehog characters - Wikipedia

Sonic the Hedgehog 2 Review - GameSpot

Sonic the Hedgehog Arcade Review - GameSpot

Sonic Superstars Review - Reaching for Stars - GameSpot

Sonic the Hedgehog Review - GameSpot

Sonic: Generations (2011) - MobyGames

Sonic Heroes, Sonic Wiki Zone

Sonic Frontiers: every review around the world praises it as the best 3D title in the series - Meristation

Best Sonic Games: Ranking The Top 10 Entries In Series History - GameSpot

Sonic the Hedgehog (2006), Sonic Wiki Zone

Sonic The Hedgehog 2 Review - Almost Supersonic - GameSpot