Sonic Adventure DX: Director's Cut/Hidden content

Unused Items

Dude2004 found several unused items in the PC port. These items were a Button (Aoki Switch) from Lost World which has two types...push and toggle type, Tumbleweed from Windy Valley, Trashcan from Speed Highway, and Icicle from Ice Cap.

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Duplicate Casino Geometry Data

If you enter and exit the Casino area, copies of the casino geometry will appear at their global location, providing proof that the adventure fields were originally meant to be built as one piece, but then segmented for efficiency (the SA engine had a hard time rendering shit before it got the DX upgrade). The texturing is glitchy, as anything rendered by the SA engine is when it has erroneous texture refrences. It will frequently go back and forth between textures, and sometimes even animate them.

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Debug Mode

A debug mode was found for this game, it gots even less features than the Dreamcast version.