It's decent
however, i consider myself something of a Sonic buff, and after reading the description Newgrounds had of this game i was expecting some kind of revolution. The 2 things that enfuriated me in this game is that while you are starting your spin dash, it doesn't hurt enemies. You still get hit/die. Second, the no short time invincibility after you get hit. I died countless times on spikes because i accidently jumped on them to get hit, and then landed right back down on them to die.