If you search for Ultimate Sonic on google, you can find it and it is awesome. It is made by fans of Sonic Advance 2. You can play as Sonic, Knuckles, Cream or Tails and they all have unique powers like flying.
I personally am just past the 1st Dr Eggman boss fight with the chain egg.
I personally am just past the 1st Dr Eggman boss fight with the chain egg.