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

The best 2D platformers: from Sonic Mania to Celeste, here's what to play - It’s not just Mario: there’s a surprising variety of titles out there ...

Sonic Mania was developed by PagodaWest Games and Sonic fangame community member Christian Whitehead as a love letter to the classic Sonic the Hedgehog titles released on the Sega Genesis and Sega ...