E3SM2: Eternal Aliens Switcheroo (The Edge of Time)

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The Edge of Time maps
E1 - Jungle Fever

M1 M2 M3 M4 M5 M6 M7 M8 SM1 SM2

E2 - Not Egypt Again!

M1 M2 M3 M4 M5 M6 M7 M8 SM1 SM2

E3 - Armies of Darkness
This level occupies the map slot E3SM2. For other maps with a non-standard slot, see Category:Non-standard map slots.
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E3SM2: Eternal Aliens Switcheroo is the tenth and second secret map in the Armies of Darkness episode of The Edge of Time. It was designed by FireSeraphim and uses the music tracks "Searching" by Rich Nagel (Weeds) (from Eternal Doom) and "Flee" by Stuart Rynn (stewboy) (from Ancient Aliens).


Map of Eternal Aliens Switcheroo
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. An assault rifle is behind the start. (sector 7)
  2. When you teleport to the second part of the map, head behind your teleporter to find an argent channeler. (sector 123)
  3. In the room past the blue rune door, open the north wall to get an invulnerability. (sector 627)
  4. In the starting area, the topmost crate on the west wall has a golden medikit. (sector 1272)
  5. After opening the doors leading to the red rune key, as well as getting the blue rune key, return to the starting area and get on the south ledge. Head through the small door, open the blue rune door, and take the teleporter to telefrag the cyberdemon and get a megacharge. (sector 1273)
  6. In the starting area, jump up at the northeast corner to pick up strange green capsules from the crates there. (sector 1397)


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 March 21, 2022.


Map data[edit]

Things 1826
Vertices 8270
Linedefs 9394
Sidedefs 15377
Sectors 1624


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

Technical information[edit]

Inspiration and development[edit]

The inspiration for this map was: "What if MAP01 of both Ancient Aliens and Eternal Doom had their visual themes and their gameplay swapped on each other?"


See also[edit]


External links[edit]