The hyperactive hedgehog's classic adventure is available on Xbox Live Arcade. The game is coming to PlayStation Network September 22.
Sonic Adventure for XBLA is a high definition port of the classic Sega Dreamcast game. It features the same gameplay as the original, 720p graphics, Dolby Digital Sound support, and Xbox Live Achievements (Trophies for PSN). The Chao Garden minigame (first seen in Sonic Advance) is included as bonus content.
Sonic Adventure for XBLA cost 800 Microsoft Points ($10).
The original North American version of the game launched in 1999. It is the all-time best selling title released for Dreamcast, with over 2.5 million copies sold to date. A port called Sonic Adventure DX released for Gamecube in 2003, and for Microsoft Windows in 2004.