E4M7: Geothermal Plant (007: Licence to Spell DooM)

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007: Licence to Spell DooM maps
This level occupies the map slot E4M7. For other maps which occupy this slot, see Category:E4M7.
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E4M7: Geothermal Plant is the seventh map of 007: Licence to Spell DooM. It was designed by Stephen Clark (The Ultimate DooMer).


Map of Geothermal Plant
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 hub area in the center of the map, head to its northern side and jump into the lava river that goes northwest. Swim out at the other end to find an energy cell, boxes of rockets, and a berserk pack. (sector 362)
  2. Come back to the hub area from Secret #1. This time, head to its southern side and jump into the lava going south. In the cave that leads to the Furnace area, swim out near the eastern wall to get a blur artifact. (sector 516)
  3. Come back to the hub area once again, and head to its southeastern side. Find a tile that is sticking out and step on it. After doing that, head to the western part of the hub area to find a small cave that has ammo and a medikit. (sector 551)
  4. After you get the blue key from the station area, you will open up a closet in the northwest part of the previously mentioned hub area. Enter this closet and use the chainsaw to cut through part of the northern wall to find another quiet place (which is located right across Secret #1) (sector 373) where you will find a green armor and more ammo.
  5. In the Quiet Zone area (located in the southwestern part of the map, behind the orange door), open the door that leads into the kitchen and press on the sign at the southern wall to find armor bonuses, health bonuses, and another partial invisibility. (sector 553)
  6. In the Generator area, from the room northwest of where the red key is, quickly run southeast to the room further from the red key room to its west side to find some stimpacks, boxes of rockets, and a rocket. (sector 556)
  7. In the Red Zone area, head into the northwest corner of the Temperature Control room and take a hidden lift that leads to the highest floor of the Main Pumps room. (sector 42) Head west to find another green armor and another berserk pack.
  8. In the Furnace area at the southeastern part of the map, get on top of the furnace and shoot the button to the south. Head to the southwest part of the furnace room to find ammo, yet another partial invisibility, and a medikit. (sector 548)


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
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist

The (absence of) data was last verified in its entirety on February 21, 2022.


Map data[edit]

Things 1651
Vertices 6162*
Linedefs 6843
Sidedefs 11815
Sectors 620
* The vertex count without the effect of node building is 5152.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]