A large collection of DOOM and DOOM II WAD files - Demon Gate was compiled by downloading add-ons off of the internet and then marketed to retail for those who did not have an internet connection. The disc comes with a utilitly called EasyWAD to help sort through all of the files.
How to run this game on modern Windows PC?
People who downloaded Demon Gate: 666 New Levels for Doom & Doom II have also downloaded:
Doom, Doom 2, Final DOOM, Master Levels for DOOM II, DOOM³, Ultimate DOOM, The, Lost Episodes of Doom, The, Duke Nukem 3D
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