E1M1: Airlock (Alpha Accident: Terra Nova)

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Alpha Accident: Terra Nova maps
This level occupies the map slot E1M1. For other maps which occupy this slot, see Category:E1M1.
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E1M1: Airlock is the first map of Alpha Accident: Terra Nova. It was designed by Eugene Guschin (Wraith777) and uses the music track "". The par time defined in ZMAPINFO is 30 seconds.


Map of Airlock
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 central room at the west end, flip the switch at the southwest, then return to the starting point to find the bars to the north open, leading to the outside area. Out here, you can get shotgun shells, a shotgun, and a stimpack. (sector 26)
  2. In the curved hallway, head east and south until you get to the next room, then at the end of this hall, open the west wall where the light is shining to uncover a secret corridor with armor bonuses in the side corridors and a secret path to the room west of the big room. (sector 108)
  3. In Secret #2, enter the north corridor and open the north wall to find rockets, as well as a berserk pack and three switches through the north door. (sector 244)
  4. Use the three switches in this order: left, right, center, then quickly run across to the north to this secret with an ammo clip and rooms to the west. (sector 76)
  5. At Secret #4, approaching the ammo clip opens a closet north of you. Open the east wall there to find armor bonuses and a passage further east. (sector 89)
  6. Head through the room past Secret #5 and south into the corridors there. Use the switch at the northwest end of these corridors to enter the bigger room south of it. Use both switches in this room, then head to the southeast side. A bit north from there and east, go through the wall and get the health bonuses. You will eventually reach the terminal which has a megaarmor. (sector 161)
  7. In the large computer room at the southeast end, use the north switch at the central computer, then return to Secret #2. Head south from there and jump across to the south edge, then blow up the destructible column to the east and open the wall. You will find armor bonuses, shotgun shells, and a box of rockets. (sector 94)


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 0:44.31 Maya 2022-02-27 aa01-044.zip
NM speed
UV max
NM 100S
UV -fast
UV -respawn
UV Tyson 7:08.03 Maya 2022-05-04 aa01t708.zip
UV pacifist

The data was last verified in its entirety on August 1, 2022.


Player spawns[edit]

This level contains eight spawn points:

  1. facing north. (thing 377)
  2. facing north. (thing 379)
  3. facing north. (thing 380)
  4. facing east. (thing 381)
  5. facing north. (thing 382)
  6. facing south-west. (thing 383)
  7. facing west. (thing 384)
  8. facing north. (thing 385)


Map data[edit]

Things 413
Vertices 1699*
Linedefs 1714
Sidedefs 2329
Sectors 269
* The vertex count without the effect of node building is 1408.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]