E1M3: Siege HQ (PhobosDeimos Anomaly)

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PhobosDeimos Anomaly maps
Episode 1
Episode 2

M1 M2 M3 M4 M5 M6

This level occupies the map slot E1M3. For other maps which occupy this slot, see Category:E1M3.

E1M3: Siege HQ is the third map of the first episode of PhobosDeimos Anomaly. It was designed by Callum Guy Oliver (phobosdeimos1) and uses the music track "".

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Map of Siege HQ
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. Open the wall the light is shining on at the starting point to find a rocket launcher, ammo, and health bonuses. (sector 22)
  2. Open the wall to the east of the chainsaw and go down the steps to find a rocket launcher, a box of rockets, and a backpack. The path to the south leads to a soul sphere. (sector 115)
  3. In the blue key area, open the blue door to the east and as soon as you go down the steps you will hear a lift lower. Head back through the door and into the hole to find stimpacks, armor bonuses, a megaarmor, a backpack, a box of rockets, and a box of ammo. (sector 140)


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.


Player spawns[edit]

This level contains eighteen spawn points:

  1. facing south. (thing 4)
  2. facing south-west. (thing 21)
  3. facing south-west. (thing 88)
  4. facing north-east. (thing 89)
  5. facing south-east. (thing 90)
  6. facing north-east. (thing 91)
  7. facing south-east. (thing 149)
  8. facing south-east. (thing 150)
  9. facing south-west. (thing 151)
  10. facing south. (thing 213)
  11. facing south-west. (thing 331)
  12. facing north-west. (thing 332)
  13. facing east. (thing 333)
  14. facing north-east. (thing 334)
  15. facing east. (thing 379)
  16. facing north-west. (thing 380)
  17. facing west. (thing 467)
  18. facing west. (thing 533)


Map data[edit]

Things 585
Vertices 1098*
Linedefs 1280
Sidedefs 1655
Sectors 244
* The vertex count without the effect of node building is 1003.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]