
In the Dreamcast version, the sun caused lens flares. Eggman's pyramid base, the sun shines undisturbed across the screen in the GameCube version. In the Dreamcast version, there was a vague, teal mist.
When Sonic and Shadow meet for the second time in the GameCube version, the air is clear. Camera angles in most cutscenes were altered, ranging from more relevant shots to simple zoom-outs. In the Dreamcast version, Rouge's theme is played throughout the whole cutscene. During Rouge and Shadow final meeting in the Hero story, Rouge's theme in the background now changes to Maria's theme in the GameCube version. Eggman in his limo, more static and interference has been added to Eggman's video screen in the GameCube version. The bars of Sonic's cell cast do not cast shadows in the GameCube version. In the Dreamcast version, a different camera angle is used when Rouge looks up at Eggman, and she screams after the Emerald is broken, namely while she is looking up. She is then seen just starring with her mouth open. Eggman and screams just as the Master Emerald is broken, overlapping Eggman's quiet exclamation. In the first encounter between Knuckles and Rouge has been tweaked slightly in the GameCube version. In the Dreamcast version, the officers shout at Sonic in full sentences. The officers' voices are cut off short and overlap each other in the GameCube version. Some background objects were added to this cutscene, such as signs. The camera is further away from Shadow when he performs Chaos Control in the GameCube version. More accurate lighting is also used before Sonic notices Shadow in the GameCube version. Sonic and Shadow are very bright in the GameCube version, as the lighting on the updated models seems to be incomplete. The pilot of the crashed Big Foot is missing in the GameCube version. In the GameCube version, none of this happens. Sonic loses some expressions his ear moves in the Dreamcast version when he hears Shadow has landed on the crashed Big Foot and his eyes squint when Shadow leaves. In the cutscene where Sonic and Shadow meet for the first time, there are a few changes between the Dreamcast and GameCube version:. The angles and lens flare are also different.
In the cutscene when Sonic jumps off the helicopter, he wears his 2G Hi-Speed Shoes the entire time, unlike in the Dreamcast version where he mistakenly starts out by wearing his original shoes.When the game is switched to Japanese text, the Dreamcast version does not translate the main menu or the "Now Loading" indicator.In the options menu, the Dreamcast's Sound Test menu was replaced with the ability to delete the multiplayer records in the GameCube version.
On top of that, the title screens are a bit different, but use the same music. In addition, there is a small intro clip of the title of the game popping into view extravagantly in space. The GameCube version adds a short opening sequence with Sonic and Shadow at Radical Highway before the title screen.Almost all of Big the Cat's cameos in the Dreamcast version have been removed in the GameCube version, with the only remaining ones seen being those in the Dark story and Last story.Most notably, the Cyclone and Eggwalker have more details in the form of both additional polygons and sharper textures, and all characters had modifications made to enhance shading. All of the main character models were enhanced slightly for the GameCube release.Also, there are rays of light from specific sources that are missing in the GameCube version. The lighting in this version affect the characters, but not any Level Up Items that they are wearing.The GameCube version removed most of the shadows, as the shadows did not have any kind of fading, so they looked awkward in the cutscenes.The way lights and shadows work differently in the GameCube version:.