Well, there is a problem with the sound. While I can ungarble it by setting it to 16 bit 22050 sound, when you start a game, its as if duke3d is reading the entire sound file including all voices and sound effects.
It wasn't really designed to run with the shareware version. Maybe somebody with the atomic edition can try it and see if the problem persists.
email me at cmisip@insightbb.com for the binary. I cant seem to attach the file.