DOOM 1 - CAVE.WAD (cave.zip)
Channel: DOOM WAD World
Date: 2022-10-05

called "CAVE COMPLEX" in the /idgames FTP.
https://www.doomworld.com/idgames/levels/doom/a-c/cave
created by Dominic Anello on August 11th, 1994.
from the .txt file included with the WAD:
"Under ground complex with a few interesting puzzles and great lighting effects" ------------------------------------
discord: https://discord.gg/aUsWnqaePy