Sonic Adventure 2 is a 2001 platform game developed by Sonic Team USA, Vicarious Visions and Blitz Games and published by Sega and Universal Interactive Studios for the Dreamcast. It features two good-vs-evil stories: Sonic the Hedgehog Sr, Miles "Tails" Prower, and Knuckles the Echidna attempt to save the world, while Shadow the Hedgehog, Doctor Eggman, and Rouge the Bat attempt to conquer it.
