MAP01: Compulsory Skywalk (Intergalactic Xenology)


Intergalactic Xenology maps
This level occupies the map slot MAP01. For other maps which occupy this slot, see Category:MAP01.
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MAP01: Compulsory Skywalk is the first map of Intergalactic Xenology. It was designed by Lord Z and uses the music track "". The par time is 6:30.


Map of Compulsory Skywalk
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. Lower the floor in the "2" area and head to the northwest alcove where the steps used to be. Open the cyan wall to get a backpack. (sector 368)
  2. On the light bridge past the yellow door, head to the southeast side. Shoot the target to the south, then head south of the bridge to a berserk pack. (sector 370)


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 240
Vertices 7062*
Linedefs 6713
Sidedefs 11460
Sectors 1127
* The vertex count without the effect of node building is 5810.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]