E4M9: Halls of Hell (The Invasion)

E4M9: Halls of Hell is the ninth and secret map in episode The Final Frontier of The Invasion. It was designed by Paul Fleschute (Moe).

Secrets

 * 1) Open the yellow door and enter the room for the center to lower, revealing four security robots, four berserk packs, and a superhealth. (sector 40)

Current records
The records for the map at the Doomed Speed Demos Archive are:

Things
This level contains the following numbers of things per skill level: