Most Sonic the Hedgehog games are specifically for Sega related platforms but Sonic Adventure 2 Battle is an original game made for the Nintendo GameCube. Sonic and crew need to stop Dr. Eggman from his nasty tricks again. There's new characters brought into the Sonic universe! A mysterious dark hedgehog called Shadow and a bat named Rouge. The Sonic Adventure 2 Battle has been enhanced with graphics, doubling the framerate and now is set as a multiplayer system.