MAP04: The Settling Tanks (Cygnus IV)

MAP04: The Settling Tanks is the fourth map of Cygnus IV. It was designed by John Bye and uses the music track "".

Secrets

 * 1) Head to the east corridor and use the south wall to find a hidden passage leading to the yellow key. (sector 56)
 * 2) Open the north door at the east corridor and shoot the terminal. This will open a wall in the east corridor, which leads to a door. Behind the door is a spectre and a soul sphere. (sector 68)
 * 3) After getting the yellow key from Secret #1, go all the way to the northwest part of the map and use the yellow key to reach rockets and a rocket launcher. (sector 181)

Current records
The records for the map at the Doom Speed Demo Archive are:

The data was last verified in its entirety on December 13, 2021.

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