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Sonic Adventure
Developer(s)	Sonic Team
Publisher(s)	Sega
Designer(s)	Yuji Naka
Release date(s)	December 23, 1998  September 9, 1999  October 14, 1999  December 3, 1999
Genre(s)	Platform
System(s)	Sega Dreamcast
Mode(s)	Single player (although Tails can be controlled in some stages with controller 2)
Rating(s)	ESRB: Everyone
Preceded by	Sonic & Knuckles
Followed by	Sonic Adventure 2
Series	Sonic the Hedgehog

For the updated version, see Sonic Adventure DX: Director's Cut.

Sonic Adventure is a video game created by Sonic Team and released on December 23, 1998 in Japan by Sega for the Sega Dreamcast. One of its development titles was Sonic RPG, (although the final game was an adventure game not a standard RPG.) The final updated edition, known as Sonic Adventure International, was released on September 9, 1999 in North America, October 14, 1999 in Japan and Europe, October 18, 1999 in Belgium, the Netherlands, and Luxembourg, and December 3, 1999 in Australia. It has sold over 1 million copies worldwide making it the top selling Dreamcast game of all time. A director's cut version, Sonic Adventure DX: Director's Cut, was released in 2003 as

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