MAP15: Z1M3: Toxin Refinery (Knee-Deep in Knee-Deep in ZDoom)

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Knee-Deep in Knee-Deep in ZDoom maps
This level occupies the map slot MAP15. For other maps which occupy this slot, see Category:MAP15.
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MAP15: Z1M3: Toxin Refinery is the third playable map of Knee-Deep in Knee-Deep in ZDoom. It was designed by Sarah Mancuso (esselfortium), Tun and Tango, and uses the music track "Underground Overload" by James Paddock (Jimmy).

As with the original Doom, the third playable map contains an exit to the secret level: MAP31: Z1M9: Military Base.

Walkthrough[edit]

Map of Z1M3: Toxin Refinery
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.

Essentials[edit]

Other points of interest[edit]

Secrets[edit]

  1. In the yellow key room, use the crate at the southwest end, then head north and use the switch. Head back southwest and use the opening to enter the rooms to the south. (sector 550)
  2. From Secret #1, open the east door and take the lift. Open the next door to get a soul sphere. (sector 57)
  3. From Secret #1, enter the south room and flip the switch. Return to the yellow key room and head north to a room with a computer area map, armor bonuses, and a medikit. (sector 526)
  4. In Secret #3, head east into the nukage and use the north switch to open the next door. The next hall has a green key. (sector 173)
  5. In the hall leading to the round room at the north end, use the computer that has the red monitor to open a wall to the north with a box of rockets. (sector 121)
  6. In the hall leading to the round room, go up the east ladder and find the computer that opens the toxin drain. Head to the north end with the bridge over nukage and jump north, going into the tunnel to get rockets, a rocket launcher, and a medikit. (sector 731)
  7. In the outside area at the southeast end, jump to the south cave entrance and take the steps to a lift. Ride up to get a berserk pack. (sector 1635)
  8. In the area at the east side of the map, head to the bridge over nukage. At the south end, find a button to the north and use the button to lower the nukage. Head to the north and enter the cave to get a radiation suit and the white key. (sector 1465)

Bugs[edit]

Demo files[edit]

Areas / screenshots[edit]

Speedrunning[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 (normal exit)
UV speed (secret exit)
NM speed (normal exit)
NM speed (secret exit)
UV max
NM 100S
UV -fast
UV -respawn
UV Tyson
UV pacifist (normal exit)
UV pacifist (secret exit)

The (absence of) data was last verified in its entirety on April 17, 2023.

Statistics[edit]

Map data[edit]

Things 955
Vertices 13778*
Linedefs 14274
Sidedefs 21261
Sectors 1948
* The vertex count without the effect of node building is 11526.

Things[edit]

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

Technical information[edit]

Inspiration and development[edit]

Trivia[edit]

See also[edit]

Sources[edit]

External links[edit]