Dr.Eggman revives the defeated super villans Sonic has encounter over the years.By collecting just two chaos emeralds he goes back in time to collect the DNA samples of those super villans years ago.The following villans,Mephiles the dark,Metal Sonic,Chaos,ErazirJin,and the Dark Princess.Sonic and his friends must go to the worlds find all the items to use the forms to defeat the villans like before.