E1M4: Atmospheric Processor (Dawn of the Dead)

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Dawn of the Dead maps
This level occupies the map slot E1M4. For other maps which occupy this slot, see Category:E1M4.
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E1M4: Atmospheric Processor is the fourth map of Dawn of the Dead. It was designed by Jan Van der Veken and uses the music track "The Demons from Adrian's Pen," composed for Doom by Robert Prince.


Map of Atmospheric Processor
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. At the start, press on the "POISON" sign to the right of the center platform to find a radiation suit. This counts as two secrets. (sector 4)
  2. See Secret #1. (sector 78)
  3. Open the red door and head left up the steps to the next room. There are armor bonuses on the ground forming an arrow at a wall here. Press on that wall to find a computer area map and a backpack, looking out for the trap that springs upon entering the secret. (sector 93)


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
NM speed
UV max 12:23.40 Andy Olivera 1997-09-24 doduvaro.zip
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The data was last verified in its entirety on December 7, 2021.


Player spawns[edit]

This level contains four spawn points:

  1. facing east. (thing 4)
  2. facing east. (thing 5)
  3. facing east. (thing 6)
  4. facing east. (thing 7)


Map data[edit]

Things 504
Vertices 1840*
Linedefs 1985
Sidedefs 2678
Sectors 354
* The vertex count without the effect of node building is 1615.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]