Sonic Adventure DX: Director's Cut is the enhanced GameCube port of the Dreamcast original. While the core game is the same, DX updated several models and textures, removed the 30 FPS cap, backported the Chao system from Sonic Adventure 2: Battle and added several unlockable features (including Mission Mode, a playable Metal Sonic, and Sonic's entire Game Gear library).
Despite these additions, it's generally seen as the inferior version due to bugs (both those lingering from the Dreamcast version and new ones), a less stable frame rate, a less polished art style (primarily owing to the removal of the original's Lantern lighting engine), and having none of the DLC. Additionally, DX would serve as the basis for subsequentports that introduced more issues and further tarnished its reputation.
This page lists unused content exclusive to DX. For content that appeared in the original version, look here.
Files from various demos of Sonic Adventure DX. The English version of these graphics were used on the Nintendo GameCube Preview Disc Demo.
The logo for the demo version of the game can be found in both ava_gtitle0_SHOW_e.gvm and ava_gtitle0_SHOW.gvm respectively. The Japanese demo is the チャレンジ バージョン "Challenge Version".
The demo's "Thanks for playing!" screen can be found in both title_end_SHOW_e.gvm and title_end_SHOW.gvm respectively. The Japanese text reads 2003年発売予定。乞うご期待！ "Planned Release 2003. Don't miss it!"
The character select screen names used in the demo can be found in both b_chnam_SHOW_e.gvm and b_chnam_SHOW.gvm respectively.
While the Dreamcast version's choppy water was replaced with a new animation in DX, the old textures used for the Past and Egg Carrier are still present as PAST02 and EC_SEA respectively.
A file containing the Japanese title screen from Sonic Adventure International can be found in ava_gtitle0_.GVM. The Japanese title screen used in-game is found in ava_gtitle0.GVM. The image on the left is what the screen looks like when assembled.
The TV settings menu still exists in the GameCube version despite it being inaccessible. However, the text has layering issues and none of the options function correctly. Pressing cancel will take the player to the Options menu.
Furthermore, a number of extra texture files can be found for certain areas of the game containing textures from their Dreamcast counterparts:
Textures for the Dreamcast version of the City Hall and Station areas of Station Square can be found in _advSS00.GVM and _advSS03.GVM.
Textures for the Dreamcast version of each Chao Garden can be found in GARDEN00.GVM, GARDEN01.GVM, and GARDEN02.GVM.
A number of leftovers from the Dreamcast version's Chao Transporter can also be found.
Controller/VMU slot icons.VMUThe font used for a Chao's name.Speech bubble used to display a Chao's name.Various text.
As Tikal was removed from the Station Square Chao Garden in the GameCube version, the lines used for her appearances there go unused.
Audio
Transcript
This is the Chao Garden. If you bring the eggs you find all over the world, a Chao will be born.
The egg will hatch naturally after a while. You can also help the egg to hatch. Depending on how you hatch the egg, the characteristics of a Chao will be affected.
If you give a Chao a small animal, the Chao changes. Try experimenting using different animals.
The Principal, Transporter, and Black Market's text files were implemented in a modified form in DX. However, for some reason the original versions of each file from Sonic Adventure 2: Battle are still on the disc and can be found in MsgAlItem_e.bin, MsgAlKinderBl_e.bin, MsgAlKinderPr_e.bin, and MsgAlWarn_e.bin.
A few tracks from the Sonic Adventure 2: Battle Chao Garden also exist as leftovers in this game.
The collectible flag object used for some missions only ever appears in red and yellow variants, but five more colors (blue, white, green, gray, and purple) are defined.
Watch on YouTubeThere is an unused type of mission that requires you to collect items in a specific order. It seems that it wasn't finished, however, as collecting the wrong item simply doesn't count it, making the mission unwinnable until you restart the level.
Watch on YouTubeObject ID 12 in the Mission Mode object list, named "Mi_TEST ", is an object used for testing. It revolves around the player, following them as they move, and can be controlled with Controller 2: Up and Down alter the speed (Up moving counterclockwise and Down moving clockwise), Left decreases the revolution radius, Right increases the radius, and A causes the menu confirm sound to play.
The loading screen in the Japanese version has a blue background instead of a black one, and the text says "Sonic Adventure DX" instead of "Now Loading".
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