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 temperature control room, head into the northwest corner and take a lift up to head west to a green armor and a berserk pack. (sector 42)
  2. In the central room, head to the north side and swim in the lava river going northwest. At the other end you can get an energy cell, boxes of rockets, and a berserk pack. (sector 362)
  3. After you get the blue key, you will open a closet at the northwest part of the central room. Enter it and use the chainsaw to cut down the north wall to find a quieter place with a green armor and ammo. (sector 373)
  4. In the central room, head to the south side and swim into the lava going south. Surface near the east wall to get a blur artifact. (sector 516)
  5. In the furnace room at the southeast end, get on top of the furnace and shoot the button to the south. Head to the southwest part to find ammo, partial invisibility, and a medikit. (sector 548)
  6. In the central room, head to the southeast side and find a tile that is sticking out. Step on it, then head to the west side of the central room to find a small cave that has ammo and a medikit. (sector 551)
  7. In the Quiet Zone, open the door into the kitchen and press on the sign at the south wall to find armor bonuses, health bonuses, and partial invisibility. (sector 553)
  8. In the generator room, go one room northwest of where the red key is, then quickly run southeast two rooms and go to the west side to get stimpacks, boxes of rockets, and a rocket. (sector 556)


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]