Emblems

Emblems(エンブレム Enburemu?) are items resembling giant rings with wings once seen in the title screen of Sega Genesis/Mega Drive games like Sonic the Hedgehog(game). These items are gained by completing a stage, requirement, or missions and able to unlock additional content like extra items. There are 130 emblems in Sonic Adventure, 180 emblems in Sonic Adventure 2, and 120 emblems in Sonic Heroes.