EGGMAN NEGA HAS RETURNED AND FINDS AN OLD PROTOTYPE OF GEMERL AND RENAMES IT NEMERL AND PLANS TO USE THE CHAOS EMERALDS AND THE SOL EMERALDS ALONG WITH NEMERL TO TAKE OVER THE WORLD. (THIS INSPIERED BY A VIDEO BUT I COULDN'T FIND IT) THE GAMES STORY IS SPLIT INTO 11 STORIES
1.TEAM HEROES: SONIC, TAILS, KNUCKLES
2.TEAM DARK: SHADOW, ROUGE, OMEGA
3.TEAM SOL: BLAZE, SILVER, MARINE
4.TEAM ROSE: AMY, COSMO, SHADE
5.TEAM CHAOTIX: ESPIO, CHARMY, VECTOR
6.TEAM EGGMAN: METAL SONIC, DR.STARLINE, EGGMAN
7.TEAM BABYLON: JET, WAVE, STROM
8.TEAM MIGHTY: GEMERL, RAY, MIGHTY
9.TEAM WHISPER: WHISPER, JEWEL, TANGLE
10.TEAM ROBBERS: FANG, BEAN, BARK
