Preview/demo of some small sized modules from DOOM 2016 Snapmap made into a few levels. Some maps were modified to fix DOOM 3 larger monsters. Union Aerospace Corporation - Used to manufacture raw Argent into Argent Plasma Energy. Erebian Vaults - A hellish ancient labyrinthine both twisted and evil. Advance Research Complex - This area was designed to test the prototype weapons developed in the (ARC) Advance Research Complex.