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

That is fast, but not to the point the game just plays itself, while the jumping physics have the same momentum as those classic games. In other words, none of the dreadful 2D physics that plagued ...

These songs represent the best from every entry in the long-running series ... shifted back somewhat to its more classic scrolling roots, these recent 2D Sonic games have also seen the return ...