http://www.quaddicted.com/reviews/mfxsp8.html my mfx is a small to medium-sized idbase industrial facility with tight corridors, glass windows and pipes. It is the author’s first released map, and it is incredibly well done. Note that the windows require the following engine settings in order to look as intented: r_wateralpha 0.3 and r_waterwarp 0.
http://www.quaddicted.com/reviews/fmb_bdg2.html by http://www.quaddicted.com/reviews/?filtered=fmb is a three-map unit set in a sprawling underground castle. It uses Daikatana E3 textures, features a couple of new monsters, custom music, many secrets and hard gameplay. Both a sequel and an update to http://www.quaddicted.com/reviews/fmb_bdg.html which reappears as the first map of this mini-campaign.