Dr. Nibble's Shareware contains five map sets for shareware Wolfenstein 3D v1.0. A custom batch file is attached which lets the player choose which map set to play. In addition to the map sets, one graphics patch is included as well.
It also went under the name Wolf3dsp.
All sets contained within the release had already been released, however.
Originally released via BBS in 1993, it was posted on the Dome on February 4, 2006.
Thanks to Andy Nonymous, an update was posted on the Dome the following day. The sets included are: