MAP31: Degravitation (Interception)


Interception secret maps

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Secret maps

This level occupies the map slot MAP31. For other maps which occupy this slot, see Category:MAP31.
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MAP31: Degravitation is the first secret map of Interception. It was designed by Eli Cohen (ProcessingControl) and uses the music track "7," composed for the project by Stuart Rynn (stewboy). The par time defined in MAPINFO is 3:35.


Map of Degravitation
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. When you reach the upside-down graveyard, press on the wooden ledge with metal ridges to lower it. Go straight ahead to find a berserk pack. (sector 68)
  2. Ride the wooden ledge mentioned in Secret #1 up, then go through either the left or right walls to find health bonuses and armor bonuses, respectively. Both areas count as one secret. (sector 88)
  3. In the building at the north end of the map, open the vent with slits in it, then go east and north all the way to the wall with the electricity symbol on it. Press it, then backtrack to the entrance of the vent and quickly enter the side area before it closes. Inside is a green armor. (sector 238)
  4. Before reaching this secret, you need to press two switches in the northern building first. One of the switches in behind a terminal in the northwest room, where you can lower the terminal and find demons guarding the switch. The other one is in Secret #3. When you enter the exit area, you will lower two tracks from the ceiling. Near the normal exit, right where the arch-vile is, there should be a switch here (if it is not there, you did not press the switch in Secret #3). Pressing this switch raises the tracks again, but do not do this yet. The secret exit (which is Secret #5) is to the north of the tracks, and just to the east of it is a wall with a metal ridge at the bottom. Opening this wall reveals a teleporter, which takes you to the opposite end of the tracks, which is this secret, but you will not be able to reach this teleporter unless you had pressed the switch behind the terminal in the northern building. What you need to do is open the way to the teleporter, then press the switch to raise the tracks and quickly get on. Then, quickly enter the teleporter to appear at this secret. (sector 364)
  5. If you do Secret #4 right you will be sandwiched in between the two tracks, where you can go straight north and reach the secret exit. (sector 399)


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 (normal exit)
UV speed (secret exit)
NM speed (normal exit)
NM speed (secret exit)
UV max 3:08.09 Bdubzzz 2021-09-19
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist (normal exit)
UV pacifist (secret exit)

The data was last verified in its entirety on April 3, 2022.


Player spawns[edit]

This level contains four spawn points:

  1. facing north. (thing 275)
  2. facing north. (thing 276)
  3. facing north-east. (thing 277)
  4. facing north. (thing 278)


Map data[edit]

Things 333
Vertices 1837*
Linedefs 2006
Sidedefs 3143
Sectors 441
* The vertex count without the effect of node building is 1522.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]