This page contains Sonic Adventure 2 Battle Hints for Gamecube called "Bonus stage" and has been posted or updated on Oct 3, 2006 by jay jay 07. Let us know what you think of this Hint by thumbs voting.
To get a 3D version of the Green Hills Zone stage, from Sonic The Hedgehog, you must get all the Emblems, including Kart, Timed Boss, and the emblems for all "A" rating. Once you have them all, which should total 180, the island next to the Green Forest stage will have the face of Sonic on it.
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