Sonic's Adventure- The Universe's Gold

Sonic And his friends found an abnormal gold called Universe Gold, it has the power of the chaos emeralds. Tails and sonic have been doing some testing on the gold, but the evil Dr. Robotnik spying on sonic, planned to steal the gold. Sonic fought back sadly breaking the gold into 7 pieces scattering to different zones. Its up to you, Sonic and his buddies to get those pieces back before Robotnik does!