AlchemyWads3.wad is a collection of selected maps which replace MAP01 to MAP22 of Doom 2.  Here are the authors of the twenty-two maps:

MAP01 - Originally MAIN2D2.WAD by Guy M. Babin, a house themed map
MAP02 - Originally TIMELESS.WAD by Andy Leaver, titled "Timelessness (Tribute to Fear Factory)"+
MAP03 - Originally E1M4B.WAD by John Romero+
MAP04 - Originally E1M8B.WAD by John Romero+
MAP05-MAP13 - Originally NHFL.WAD by an unknown author, titled "No Hope for Life Project"+
MAP14-MAP22 - Originally DBIMPACT.WAD by RottKing and Ralphis, titled "Double Impact"+

+Converted from Doom to Doom 2.

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