All players need to do is keep their "Blast Processing" up. Otherwise, the game's visuals degrade way, way down.

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

There are a lot of great fan-made Sonic the Hedgehog games out there. Sega has been notoriously chill with fans of the Blue Blur using its characters in their own projects, and there are even a ...