MAP13: Knee-Deep in Waste (A.L.T.)


A.L.T. maps 12-20

01 02 03 04 05 06 07 08 09 10 11
(12 - 20)
21 22 23 24 25 26 27 28 29 30
Secret maps: 31 32

This level occupies the map slot MAP13. For other maps which occupy this slot, see Category:MAP13.
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MAP13: Knee-Deep in Waste is the thirteenth map of A.L.T.. It was designed by Michailo Kolybenko (Azamael) and uses the music track "Cathedral Fight" from Painkiller.


Map of Knee-Deep in Waste
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. In the room with the ankh shape on the floor, there is a button on the terminal to the south. Use it to make a large bridge appear south of this room. To get here, just follow the first steps in Secret #2 to the area with the northeast red door, then use the other door to the east. Go across the bridge, open the door, then open the wall to the north to get the BFG9000. (sector 110)
  2. In the big room at the north end of the map with the red key door leading southeast, take all the east doors until you see another red door to the northeast, then take the northwest door and go through for the wall ahead to lower. One of the switches to open up the exit is here, but before hitting it, go to the backside and use the switch here. This will open up a secret passage nearby with a medikit and rocket launchers. (sector 200)
  3. In the northwestern room with the doors to the east, open any of those doors, then take the steps up to the west. Go to the northwest corner and use the wall with the blue lights to find a green armor and a hidden switch, which will open up a room further to the west as well as another one in the room beyond the east doors, both of which are needed to reach the exit. (sector 429)
  4. In the middle area of the map with the crates, go towards the red key crate from the south, then look at the north side of the crate nearby. There is a switch here. Use it, then go southeast to a compartment with ammo and a radiation suit. (sector 510)
  5. In the big room at the north end of the map with the red key door leading southeast, shoot the west wall with a hole in it to reach a higher platform. (sector 774)
  6. At the southeast room with nukage and crates, take the first two lifts to the east up, then head north. Wait for the lift to rise again, then head east and use the lift here. Go north and the lift should lower. Go east and use the lift here, then go south. Use the wall at the end and go through to hear another wall opening, this time to the south. Inside is a former human guarding a medikit and a switch. (sector 930)
  7. The switch in Secret #6 opens up an alcove in the area with the larger lifts from before. From the switch, take the nearest lift back down and head west, then south. Use the east wall at the southeast corner and wait for it to go down all the way to get a plasma gun. (sector 931)


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 12, 2022.


Map data[edit]

Things 968
Vertices 9680*
Linedefs 9987
Sidedefs 17103
Sectors 971
* The vertex count without the effect of node building is 7913.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]