MAP31: Cyberden (Doom II X-Treme)


Doom II X-Treme secret maps

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Secret maps

This level occupies the map slot MAP31. For other maps which occupy this slot, see Category:MAP31.
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MAP31: Cyberden is the first secret map of Doom II X-Treme. It was designed by Jimmy Sieben, uses the music track "", and was originally released as MAP29: River Styx in TNT: Evilution.


Map of Cyberden
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. Once you reach the entrance of the green marble temple, find the only green torch. Press the use key on it to lower a lift on the opposite side of the porch. Ride it to the top, where a soul sphere is located. (sector 91)
  2. After entering the temple, hug the left wall until you reach a armor 200% upgrade overlooking a bridge crossing some lava. The ground it rests on counts as a secret. (sector 474)
  3. From Secret #2, backtrack a bit and you will come across a stairway that dips down in the middle, with an opening to an outdoor area at the lowest point. Open the green marble wall across from the opening to find an ammo cache. (sector 20)


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 five spawn points:

  1. facing south. (thing 388)
  2. facing north-east. (thing 389)
  3. facing south-west. (thing 390)
  4. facing north-west. (thing 391)
  5. facing south-east. (thing 392)


Map data[edit]

Things 417
Vertices 2233*
Linedefs 2511
Sidedefs 1461
Sectors 477
* The vertex count without the effect of node building is 2040.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]