Catacomb Adventure Series

Catacomb 3-D was followed by three games, in the so-called Catacomb Adventure Series. They were not developed by id Software but internally by Softdisk with a new staff for Gamer's Edge, who also made the later Dangerous Dave sequels. All of the games, including the original Catacomb titles, are now distributed legally by Flat Rock Software through their own web store and via GoG.com. Flat Rock have also released the source code for the games under the GNU General Public License in June 2014 in a manner similar those done by id and partners.

The credits for the series are Mike Maynard, James Row, Nolan Martin (programming), Steven Maines (art direction), Carol Ludden, Jerry Jones, Adrian Carmack (art production), James Weiler, Judi Mangham (quality assurance), and id Software (3D imaging effects). The series' development head, Greg Malone, later became creative director for Duke Nukem 3D and also worked on Shadow Warrior for 3D Realms. Department heads Mike Maynard and Jim Row, meanwhile, would co-found JAM Productions (soon joined by Jerry Jones), the creators of Blake Stone using an enhanced Wolfenstein 3D engine.