
On the Dreamcast, there is the sound test. In the options menu, one of the options is very different between versions.On top of that, the title screens are a bit different, albeit using the same music. There is simply a small intro clip of the title of the game popping into view extravagantly in space. The Dreamcast version does not feature the short opening sequence with Sonic and Shadow at Radical Highway before the title screen.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. All of the main character models were enhanced slightly for the GameCube release.On the Dreamcast, bright lights do affect character upgrades, and there are light rays where necessary. Also, there are rays of light from specific sources that are missing in the GameCube version. On the GameCube version, bright lights affect the characters, but do not affect any Level Up Items that they are wearing. The lighting, however, was changed for the worse. This is because the shadows did not have any kind of fading, so they looked awkward in the cutscenes sometimes. The GameCube version removed most of the shadows that appeared in the Dreamcast version. The way lights and shadows work differently between the two versions.It was originally a limited feature of the website. A Black Market has been added to the Chao Kindergarten.The A-Life system has also been slightly enhanced, with all-around more accessible options.The Chao Karate has also been added to the Chao Stadium. In place of the VMU game Chao Adventure 2, has been replaced by the Tiny Chao Garden, available via GBA connection.Main article: Sonic Adventure 2#Gameplay New features
