Editing Documents:

  • The Unofficial WAD Designers' Handbook
  • The Unofficial Doom Specs (62KB) by Matthew S Fell
  • The Doom Reference text (30KB) by Jim Flynn
  • Sector Tags, FAQ
  • Differences between Doom and Doom2:
    Textures, Flats, Items, Sprites, and special features of each.
  • ZDoom Editing Tutorial (4MB) by Rick Clark and others.
    The complete online tutorial guide (listed below) available as an offline version.