Play as Sonic or Tails in Sonic Chaos, which was originally made for the Sega Master System. Dr. Eggman (a.k.a. Dr. Robotnik) has stolen the Red Chaos Emerald to create nuclear weapons. This has ...

Sonic was once the biggest rival Mario ever faced. The blue blur certainly gave the plumber a run for his money in the 8- and 16-bit days of gaming and was arguably winning in terms of mass popularity ...