Sonic Adventure 2: is a platform game developed by Sonic Team USA. The game introduces two new playable characters, Shadow the Hedgehog and Rouge the Bat, and is also one of the few Sonic games to officially feature Doctor Eggman as a playable character.

Gameplay: in Sonic Adventure 2 follows the same basic principles of previous games in the series. Along the stages are Rings, that as long as one is...