Differences between the original release and Directors Cut: DX

There are several people who have documented all the differences between the original Dreamcast release, the Gamecube Director's Cut: DX release, and the Dreamcast Collection release on steam.

The Ultimate Guide To Sonic Adventure DX Sins by PkR

Site Link: https://dreamcastify.unreliable.network/

Not only does this blog go into the different visual details that the Gamecube port, along side the Steam port, it also goes into a lot of the technical reasons as to why those details are missing from the different versions of the game. Very neat read if you've got the time.

Cutting Room Floor Articles

The Cutting Room Floor has an excellent set of articles detailing all the cut content and some of the missing content from the game. As well as some of the changes between the original game and DX.

Sonic Adventure (1998 Dreamcast)

Site Link: https://tcrf.net/Sonic_Adventure_(Dreamcast)

Sonic Adventure DX: Director's Cut (Gamecube)

Site Link: https://tcrf.net/Sonic_Adventure_DX:_Director%27s_Cut_(GameCube)

Sonic Adventure DX: Director's Cut (Windows, 2004)

Site Link: https://tcrf.net/Sonic_Adventure_DX:_Director%27s_Cut_(GameCube)

Sonic Adventure DX: Director's Cut (Windows, 2011)

Site Link: https://tcrf.net/Sonic_Adventure_DX:_Director%27s_Cut_(Windows,_2011)

Why Sonic Adventure DX is a Bad Port (By: Cybershell)

This is the video that introduced me to many of the issues that were in the original DX: Director's Cut version of the game. If you don't want to read through everything and want to have something to watch on a lunch break instead, this is a very good video on the subject.