MAP29: Sheer Poison (Three's a Crowd)


Three's a Crowd maps
The First

01 02 03 04 05 06 07 08 09

The Second

10 11 12 13 14 15 16 17 18

The Third

19 20 21 22 23 24 25 26 27

Secret maps

31 32

This level occupies the map slot MAP29. For other maps which occupy this slot, see Category:MAP29.
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MAP29: Sheer Poison is the twenty-ninth map of Three's a Crowd. It was designed by Scypek2 and uses the music track "party-is-dead" by Zachary Stephens (Ribbiks).


Map of Sheer Poison
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. After opening up the starting room, head east to the green armor and stimpacks, then go north through the wall to find more stimpacks, energy cells, and a BFG9000. (sector 322)
  2. After leaving the starting area, drop into the lava river to the south and head west to a teleporter. Enter the area near the teleporter to get a berserk pack, a soul sphere, and a megaarmor. (sector 268)
  3. Climb the steps on the outside of the green castle, then climb to the parapets at the north end. Jump north to get an invulnerability. (sector 396)
  4. In the blue key area, two compartments with lost souls will open as you cross the thin wall. Jump to the northeast compartment and through the blood you will find an invulnerability. (sector 416)
  5. Open the wall to the south of the red key to get a stimpack. Keep opening walls to get a medikit, a soul sphere, radiation suits, and a long passage. (sector 452)
  6. Take the corridor south of the room with the former humans inside the cage. In the next area, open the wall with slime to the north to get a radiation suit. (sector 481)


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 January 14, 2022.


Map of MAP29's deathmatch arena

This level includes its own, separate deathmatch arena.

Player spawns[edit]

This arena contains four spawn points:

  1. facing west. (thing 699)
  2. facing south. (thing 700)
  3. facing east. (thing 712)
  4. facing north. (thing 713)


The following things (per skill level) are placed in the arena:

Weapons 1-2 3 4-5
Chainsaw 4
Shotgun 6
Super shotgun 2
Chaingun 2
Rocket launcher 2
Plasma gun 2
BFG9000 2
Miscellaneous 1-2 3 4-5
Deathmatch start 4


Map data[edit]

Things 719
Vertices 3899*
Linedefs 3394
Sidedefs 5315
Sectors 577
* The vertex count without the effect of node building is 2995.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]