Story: Starts to fill in a few holes that Heroes created. All the previous Sonic Chars are in it (except for bug as of yet). All in all, good plot, just not explained till later.
Graphics: Phenominal. It is the best Sonic ones anyway.
Gamplay: The same and different all in one package. You need to try for yourself on this one.
Content: Not meant for little kids who like Sonic. It was a bit mcuh for me, lets say that.