E1M7: Mars Technology Labs (The Classic Episode, Part 2)

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The Classic Episode 2 maps
This level occupies the map slot E1M7. For other maps which occupy this slot, see Category:E1M7.
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E1M7: Mars Technology Labs is the seventh map of The Classic Episode, Part 2. It was designed by Jan Van der Veken and uses the music track "Sign of Evil".


Map of Mars Technology Labs
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 the blue key doors, follow a catwalk to get shotgun shells then the radsuit. You will need it to reach the moat where the imps shot at you in the start area. Here, the computer map, the chaingun and a box of bullets await. (sector 35)
  2. Turn back, use the red switch for a medikit, a box of rockets and the rocket launcher. Go out of here on the right of the window (it will lower a wall near the start). (sector 175)
  3. Kill the three sergeants if you have not already killed them. Use the switch for the soulsphere nearby. (sector 107)
  4. Open a wall on the right of the small window, it opens a niche with the backpack. (sector 127)
  5. Entering the room with the yellow door opens a wall (you can hear it). Enter the small room with the radsuit. Jump in the moat (this lowers four bars), use the switch for the partial invisibility and the mega armor. (sector 287)
  6. Once you killed the spectres, go on the right with the yellow key for the BFG9000. (sector 340)


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 December 8, 2021.


Player spawns[edit]

This level contains four spawn points:

  1. facing north. (thing 4)
  2. facing north. (thing 5)
  3. facing north. (thing 6)
  4. facing north. (thing 7)


Map data[edit]

Things 282
Vertices 2056*
Linedefs 2173
Sidedefs 3141
Sectors 455
* The vertex count without the effect of node building is 1731.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]