This is a sequel to Tech-Labyrinth, a previous Ultimate DOOM mod that I made before.
HOW TO INSTALL:
Extract TechLabyrinth2.wad from the zip file using something like WinRAR
Drag and drop the wad file over GZDoom, or any other ZDoom source ports
Start a new game in Knee Deep in the Dead
Heretic - Music
Realm667 - Custom monsters