E2M4: Weapons Testing Facility (The Lost Episodes of Doom)

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The Lost Episodes of Doom maps
Massacre on Callisto

M1 M2 M3 M4 M5 M6 M7 M8

Hell's Gate - The Red Spot of Jupiter

M1 M2 M3 M4 M5 M6 M7 M8

This level occupies the map slot E2M4. For other maps which occupy this slot, see Category:E2M4.

E2M4: Weapons Testing Facility is the fourth map of The Killing Fields of Io, the second episode of The Lost Episodes of Doom. It was designed by Christen David Klie.

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Map of Weapons Testing Facility
Letters in italics refer to marked spots on the map. Sector numbers in boldface are secrets which count toward the end-of-level tally.


Other points of interest[edit]


  1. In the south-eastern quarters behind the bed, lower the computer wall to find three BFG9000s. (sector 137)


Demo files[edit]

Areas / screenshots[edit]


Routes and tricks[edit]

Current records[edit]

The Compet-n records for the map are:

Style Time Player Date File Notes
UV speed **
NM speed **
UV max **
NM100S **
UV -fast **
UV -respawn **
UV Tyson **
UV pacifist **

Miscellaneous demos[edit]

Style Time Player Date File Notes


Player spawns[edit]

This level contains twenty-six spawn points:

  1. facing east. (thing 112)
  2. facing east. (thing 113)
  3. facing west. (thing 114)
  4. facing north. (thing 115)
  5. facing south. (thing 116)
  6. facing north. (thing 117)
  7. facing north. (thing 118)
  8. facing north. (thing 119)
  9. facing north. (thing 120)
  10. facing east. (thing 121)
  11. facing west. (thing 122)
  12. facing south. (thing 123)
  13. facing west. (thing 124)
  14. facing west. (thing 125)
  15. facing east. (thing 179)
  16. facing east. (thing 180)
  17. facing east. (thing 181)
  18. facing east. (thing 182)
  19. facing north-east. (thing 183)
  20. facing south-east. (thing 184)
  21. facing south-west. (thing 185)
  22. facing north-west. (thing 186)
  23. facing north. (thing 187)
  24. facing south. (thing 188)
  25. facing west. (thing 189)
  26. facing east. (thing 190)


Map data[edit]

Things 200
Vertices 930*
Linedefs 924
Sidedefs 1316
Sectors 151
* The vertex count without the effect of node building is 811.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]