All of Big the Cat's cameos in the cutscenes on the Dreamcast version have been removed in the new version, but can still be seen in a few only in the Dark Story and the Final Story.For all characters, modifications were made to enhance shading. Most notably, the Cyclone and Eggwalker have more details in the form of both additional polygons and sharper textures.
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In place of the VMU game Chao Adventure 2, has been replaced by the Tiny Chao Garden, available via GBA connection.Main article: Sonic Adventure 2#Gameplay New features