(DC) Sonic Adventure 2

The last Sonic game released for their consoles was published in Japan in summer 2001.
The game is divided in two distinct campaigns, Hero with Sonic, Tails and Knuckles who fight to save the world and Dark starring Shadow, Dr.Eggman and Rouge, who want to conquer it. Each campaign has different levels and it’s played by a single character, completing all campaigns unlocks the last story featuring all characters.
The Chao system from previous game was expanded, now they can switch from Hero to Dark and increasing their stats will let them to compete better in karate and racing mini games.