E1M3: Laboratory (Chex Quest 3)

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Chex Quest 3 maps
Episode 1: Rescue on Bazoik
Episode 2: Terror in Chex City

M1 M2 M3 M4 M5

Episode 3: Invasion!

M1 M2 M3 M4 M5

This level occupies the map slot E1M3. For other maps which occupy this slot, see Category:E1M3.
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E1M3: Laboratory is the third map in the Rescue on Bazoik episode of Chex Quest 3. It was designed by Charles Jacobi and uses the music track "".


Map of Laboratory
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 above the start, open the northwest wall to find a computer area map. (sector 119)
  2. In the southeast halls, head to the room with the desk and open the south wall to get a zorchpak and a zorch propulsor. (sector 196)
  3. In the northwest hall, go through the vent to a transport area that has a teleporter back to the room north of the starting point. (sector 223)
  4. Open the blue door east of the start and head around to the south side of the room. Go through the vent to get a Chex armor. (sector 248)


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 February 3, 2022.


Player spawns[edit]

This level contains eight spawn points:

  1. facing north. (thing 223)
  2. facing east. (thing 238)
  3. facing east. (thing 239)
  4. facing west. (thing 240)
  5. facing south. (thing 241)
  6. facing east. (thing 242)
  7. facing north. (thing 243)
  8. facing south-west. (thing 244)


Map data[edit]

Things 245
Vertices 1487*
Linedefs 1426
Sidedefs 2162
Sectors 310
* The vertex count without the effect of node building is 1194.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]