MAP24: The Chasm (Doom 2 In Name Only)


Doom 2 In Name Only maps 21-30

01 02 03 04 05 06 07 08 09 10 11
12 13 14 15 16 17 18 19 20
(21 - 30)
Secret maps: 31 32 34

This level occupies the map slot MAP24. For other maps which occupy this slot, see Category:MAP24.
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MAP24: The Chasm is the twenty-fourth map of Doom 2 In Name Only. It was designed by Antroid and uses the music track "". The par time defined in MAPINFO is 5:00.


Map of The Chasm
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. Go east along the northern part of the map across the blocks above the nukage. Keep going south past a room with a rocket launcher until you reach a cave with torches. From there, head west and north to the northwest corner of the ledge. Gently drop down and you should land on a berserk pack. (sector 466)
  2. When the nukage river first bends westward, go south and up the steps, then west and down the steps, but as you do, look along the northern wall. Find the section of brick wall that is darker than the rest and use it to reveal a switch. Shoot this switch to reveal another cave, and then shoot the switch across from you which is guarded by a revenant to open another rock in the same cave. Climb the rocks up and go west, then south. On the platform here, you can make a running jump south to reach a megasphere. (sector 235)
  3. On the west end of the map will be some broken ruins in a valley adjacent to the nukage river. Climb up these ruins and keep going north, up the steps, then to the ledge with the medikit and box of shotgun shells. If you look straight east from there, there will be a switch you can shoot. Do so, then drop off the ledge and head north into the next cave. A rock will have risen up here, so climb the steps to reach it, then jump onto the rock and west into the room with cacodemons from before. Climb these steps to find health and armor bonuses, as well as boxes of rockets. (sector 376)
  4. At the southern end of the block-filled room which leads to the yellow key, climb the steps and jump northwest to the wall that has a lighter portion of brick wall. It should lower revealing a cacodemon and a backpack. (sector 662)
  5. On the path leading to the red key, go to the western side of the area with brown sludge that has a window where you can see a small cave. You can make a strafejump from the higher ledge across this window to get a box of shotgun shells and a medikit. (sector 743)
  6. After opening either the yellow or red bars near the middle of the map, keep going east and eventually you will follow the nukage river southbound. Instead of following it, go north instead, following the bend to a small cave containing a plasma gun and an energy cell pack. (sector 837)
  7. Once you reach the end of the nukage river press the skull switch in the east to lower a rock so you can continue to the exit, but instead of going straight to the exit, head west and north through the nukage until you reach an abandoned room. Although there are no supplies to find here, the teleporter here will take you back if you need it. (sector 909)


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 1:07.74 Aleksey Kamenev (4shockblast) 2014-12-04 Cross-listed from Pacifist
NM speed
UV max 20:39.71 Bdubzzz 2021-09-30
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist 1:07.74 Aleksey Kamenev (4shockblast) 2014-12-04
NoMo 0:51.86 Aleksey Kamenev (4shockblast) 2014-12-05

The data was last verified in its entirety on April 3, 2022.


Player spawns[edit]

This level contains four spawn points:

  1. facing north. (thing 1024)
  2. facing west. (thing 1025)
  3. facing south. (thing 1026)
  4. facing west. (thing 1027)


Map data[edit]

Things 1028
Vertices 6553*
Linedefs 6883
Sidedefs 10133
Sectors 1066
* The vertex count without the effect of node building is 5560.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]