E6M4: Deimos Fortress (Doom the Way id Did: The Lost Episodes)

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DtWiD: The Lost Episodes maps
Knee-Deep in the Dead

M1 M2 M3 M4 M5 M6 M7 M8 M9

The Shores of Hell

M1 M2 M3 M4 M5 M6 M7 M8 M9


M1 M2 M3 M4 M5 M6 M7 M8 M9

Thy Flesh Consumed

M1 M2 M3 M4 M5 M6 M7 M8 M9

Base Instinct

M1 M2 M3 M4 M5 M6 M7 M8 M9 M0

The Final Gate
This level occupies the map slot E6M4. For other maps which occupy this slot, see Category:E6M4.

E6M4: Deimos Fortress is the fourth map of episode The Final Gate in Doom the Way id Did: The Lost Episodes. It was designed by Matthew D. (Matt534Dog). The par time defined in MAPINFO is 2:00.


Map of Deimos Fortress
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.


Follow the path round to a megaarmor, then enter the flesh lift behind it to get a rocket launcher and press the eye switch to go down to some boxes of rockets. Step outside and head round to the north side of the starting building, passing some lost souls, to enter another flesh pit, which will open the compartment to the north and release a cyberdemon. Kill this enemy, then go inside the compartment (it contains a supercharge and more boxes of rockets) to lower the back wall and reveal a second cyberdemon along with barons of Hell. The level automatically ends when the second cyberdemon is killed.

Other points of interest[edit]

A plasma gun can be found at the north end of the map.


There are no official secrets on this map.


Demo files[edit]

Areas / screenshots[edit]


As this level does not contain official secrets, the NM 100S category is redundant.

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
UV -fast
UV -respawn
UV Tyson
UV pacifist

The (absence of) data was last verified in its entirety on December 7, 2021.


Player spawns[edit]

This level contains sixteen spawn points:

  1. facing east. (thing 4)
  2. facing west. (thing 5)
  3. facing south. (thing 6)
  4. facing north. (thing 25)
  5. facing east. (thing 28)
  6. facing west. (thing 33)
  7. facing south. (thing 37)
  8. facing south-west. (thing 38)
  9. facing south-east. (thing 39)
  10. facing north-east. (thing 75)
  11. facing north-west. (thing 76)
  12. facing north-east. (thing 113)
  13. facing north-west. (thing 114)
  14. facing west. (thing 115)
  15. facing east. (thing 116)
  16. facing south. (thing 117)


Map data[edit]

Things 118
Vertices 199*
Linedefs 189
Sidedefs 237
Sectors 17
* The vertex count without the effect of node building is 169.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]