Sonic Adventure is a high-definition port of Sonic Adventure DX Director's Cut, launched for Xbox Live Arcade. The game features enhanced graphics and gameplay while excluding certain elements from the original release, such as the playable character Metal Sonic and the extra 60 missions, which were made available as downloadable content. The game showcases the classic Sonic experience with updated visuals.
Sonic Adventure is an HD port of Sonic Adventure DX: Director's Cut. This version was released on Xbox Live Arcade and PlayStation Network. Some features of Director's Cut didn't make it to this port, like the playable character Metal Sonic and the additional 60 missions. These features were available as DLC.