MAP18: Dead Radio (Realm of Chaos)


Realm of Chaos maps 12-20

01 02 03 04 05 06 07 08 09 10 11
(12 - 20)
21 22 23 24 25 26 27 28 29 30
Secret maps: 31 32

This level occupies the map slot MAP18. For other maps which occupy this slot, see Category:MAP18.
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MAP18: Dead Radio is the eighteenth map of Realm of Chaos. It was designed by Steve Duff.


Map of Dead Radio
Letters in italics refer to marked spots on the map. Sector, thing, and linedef numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. In the large gray area with the lights, head to the southeast end and flip the switch, then go to the west end of the area. There will be two compartments open on the left and right sides of the silver UAC wall. Both of these count as one secret, and one of these is required to reach the rest of the map, as it contains the switch that will open the silver UAC wall. Take note that there is a third secret here (the sector where the switch is, this sector) that is inaccessible due to its position. (sector 25)
  2. See Secret #1. (sector 36)
  3. See Secret #1. (sector 188)
  4. From the room with the megasphere on the silver platform, head south, open the door, then take the lift down. In the hall that follows, head north to spot a crusher over a megaarmor. Drop into the nukage below and enter the area to the southwest. You will find a teleporter and a switch. Press on the wall to the left of the teleporter to find a secret area with a box of ammo, a berserk pack, and a plasma gun. (sector 40)
  5. The blue key room contains two switches. Press on the right one (the left one lowers the megasphere platform mentioned in Secret #3) and leave the nukage-filled area. Head north and take the lift back up, then flip the switch to open the way out. Quickly head all the way southward into the other alcove that is open and there should be a new passage leading west. Follow it all the way to reach a soul sphere. (sector 147)
  6. In the nukage room at the northeast end of the map, go through the area pressing switches until you reach the baron of Hell guarding the teleporter back out. Walk slowly towards the teleporter for two compartments to open. They contain a green armor and a berserk pack, and count as two separate secrets. (sector 248)
  7. See Secret #6. (sector 250)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

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

Run Time Player Date File Notes
UV speed 2:57.43 Artem Safronov (SAV88) 2010-10-11
NM speed
UV max 6:31.71 Andromeda 2021-03-29
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on January 16, 2022.


Player spawns[edit]

This level contains eight spawn points:

  1. facing east. (thing 332)
  2. facing east. (thing 333)
  3. facing east. (thing 334)
  4. facing east. (thing 335)
  5. facing east. (thing 336)
  6. facing east. (thing 337)
  7. facing east. (thing 338)
  8. facing east. (thing 339)


Map data[edit]

Things 343
Vertices 1539*
Linedefs 1603
Sidedefs 2229
Sectors 251
* The vertex count without the effect of node building is 1332.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]