Sure we haven’t updated our Doom page in a while. So here’s a whopper, Adam Williamson’s original and complete Wolf3D/SoD FAQ
Doom Metrics
April 1, 2008 Leave a Comment

This document tells level editors and creators about the limits and size specifications of Doom Doom Metrics ———— Scott Ampoker (scott@basis.com) Creation of a successful Doom level requires that the PWAD designer be aware of the “physical” sizes and limitations of the Doom world. On a less critical level, the choice of wall, floor, and [...]