MAP09: Kthulhu (Rylayeh)


Rylayeh maps
This level occupies the map slot MAP09. For other maps which occupy this slot, see Category:MAP09.
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MAP09: Kthulhu is the ninth map of Rylayeh. It was designed by Jeffrey Graham (psyren) and uses the music track "".


Map of Kthulhu
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. Follow the linear path until you reach a set of steps going northwest. Head east and flip the switch here, then head southwest and south, going on two pillars to get a berserk pack. (sector 610)
  2. Open the blue door into a large hall going southwest. At the turn, use the pentagram at the inner corner to find a BFG9000 and energy cells. (sector 411)
  3. If you flipped the switch mentioned in Secret #1, enter Secret #2 and take the lift up. Open the wall and jump to the two pillars to the south to get a plasma gun and an energy cell pack. (sector 404)
  4. Head back north from Secret #3 and jump west to a platform with ammo and two teleporters. One teleporter takes you to health bonuses, and the other takes you to armor bonuses. (sector 262)
  5. Drop south of Secret #4 and head up the west set of steps. At the door, head east on the walkway, and in the tunnel, open the misaligned wall to the north to get a soul sphere. (sector 417)
  6. Go back to the door mentioned in the previous secret and open it, then the next door. Head south and use the wall where the rockets are to trigger a lift. Ride up to get some ammo and a medikit. (sector 547)
  7. Head east from the previous secret, then north and use the lift with square tiles to the west. You will ride up to a megaarmor. (sector 551)


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 April 3, 2022.


Player spawns[edit]

This level contains ten spawn points:

  1. facing south. (thing 451)
  2. facing south-east. (thing 452)
  3. facing south-east. (thing 453)
  4. facing east. (thing 454)
  5. facing west. (thing 455)
  6. facing north-east. (thing 456)
  7. facing north-west. (thing 457)
  8. facing east. (thing 458)
  9. facing north. (thing 459)
  10. facing west. (thing 460)


Map data[edit]

Things 488
Vertices 3332*
Linedefs 3498
Sidedefs 5411
Sectors 685
* The vertex count without the effect of node building is 2757.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]