Download the viewer for Windows here: http://magicstone.de/dzd/random/DTAViewer.rar
And the character models: http://www.mediafire.com/download/apgl9r7jcxbcql4/models.zip
(It doesn’t export the models, it only views them, but it comes with source code if anyone wanted to add an export function. Click and drag with the left mouse button to pan the camera and WASD keys to move it.)
So basically, this is a game that was completed and ready for production, but the publisher thought it was too violent and sexually provocative for release, so they dropped it. The content was considered so offensive for the era that it was going to receive an AO ESRB rating, despite not being a porn game. One of the developers leaked the completed game the following year, 1999, as well as a couple beta versions which had censorship.
It’s a game about damned souls in Hell, beating the shit out of each other for a shot at reincarnation. It would have supported up to four players.
I figured out the model format, and an acquaintance wrote a model viewer for me. Here’s front and back views of two of the women from the game, first is “CONTORT1.DTA” and second is “DOMINA4.DTA”: