Co-op has been a staple feature of many Sonic games for decades now. These examples are the best of the bunch.

Levels in Sonic Superstars have multiple routes that lead you to the finish line and tons of hidden items and secret areas. Some areas are out of reach for characters like Sonic a ...

This game also introduces a new troupe of Eggbots called the Hard-Boiled Heavies for Sonic, Tails, and Knuckles to beat. Mania is considered one of the best Sonic games of the 2010s because of the ...