Have Sonic double his spped when he runs uninterrupted.
Make it possible for "Tails" to accompany him.
If "Tails" is not in, then please ignore that remark.
If it is possible, please make this online capable.
There are so many fans asking for Co-Op compatibility as in the old Genesis games. Please make it happen.
A side story for Amy Rose and Cream the Rabbit (if possible).