This game has everything! It has Classic Sonic so that'll surely ensure that classic fans will love it, they'll eat up anything with his face on it. And it's got Shadow! Everyone loves Shadow. Death to all who oppose him. And it has Infinite! He'll cut you down in a second. He was born of this pain. It only hurts if you let it. And it has the roughest of waves, Chaos! That'll satisfy the Adventure fans. Plus there's Coldsteel the customizable rookie! That alone should satisfy the entire fan base. And there's Metal Sonic! Huer huer's from Stardust Speedway are coming back baby. And there's that red guy from that one game! He's cool right? And there's Egg Dragoon, a random boss from Sonic Unleashed for some reason! You can play as Sonic, Sonic, and your own fan character! And it has levels from Sonic Generations! It even has Green Hill Zone! How exciting! The nostalgia will be HUGE! You can even play Block Hill Zone Green Hill Zone as Shadow! This has something for all of the fans! The entire fan base will be pleased! It might even have Chemical Plant Zone, just think of the nostalgia!