It is essentially a port of Sonic Adventure DX: Director's Cut released for the Nintendo GameCube and Windows earlier in 20 respectively, although additional content such as Metal Sonic, Mission Mode and Sega Game Gear games have been removed (with the first two options available with the Sonic Adventure DX DLC). This port was officially announced by Sega on 10 June 2010 that it would be released on the aforementioned platforms. It was released on September 2010 worldwide. Sonic Adventure is a re-released digital version of the Dreamcast game of the same name for the PlayStation 3 and Xbox 360 (via PlayStation Network and Xbox Live Arcade respectively).