This game is cool,nice and good because it interdused super sonic,tails,silver sonic and the death egg.first of all super sonic if u get every 7 chaos emerald and i did it and i obtained flying, running more fast than normal sonic and no taking damge but while u fall of the map u die because when he fall of the map then he will go to the space.some people tell tails is useless but not for me because he can fly sonic and he can fly too.deathegg robot,silver sonic are to take emeralds and world.