MAP07: Nessus (Master Levels)

Nessus is a map that is part of the Master Levels for Doom II. It was designed by John Anderson (Dr. Sleep), and is contained in the file NESSUS.WAD.

Walkthrough
'''.

Secrets
The map contains one single secret, which is inaccessible due to a logical error in design. The sector flag 9, marking a secret sector, is placed in the "doorway" step leading up to the actual secret sector. The player will always step over the marked sector and thus the secret is never triggered.