The rumors surrounding Sonic Team’s mystery game have been put to rest as GameSpot is reporting that SA2 will indeed be ported to GameCube. Here’s the full story:
“GameSpot can now confirm that Sonic Team’s secret GameCube game is indeed a port of Sonic Adventure 2. Details regarding GameCube-specific features have not been revealed at this time, but the game is listed on the official Space World 2001 games lineup. GameSpot will have more on the GameCube version of Sonic Adventure 2 later this week, direct from Space World.”
Source: GameSpot