MAP19: Asteroid (Junko)


Junko maps 12-30

01 02 03 04 05 06 07 09 11
(12, 14-17, 19, 21-22, 30)

This level occupies the map slot MAP19. For other maps which occupy this slot, see Category:MAP19.
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MAP19: Asteroid is the nineteenth map of Junko. It was designed by TOGoS.


Map of Asteroid
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 hall of the base, which is south of the room with upside-down chairs, head west and up to a megaarmor. (sector 1533)
  2. In the same hall, head north and down. Crouch down at the bottom to find armor bonuses. (sector 2139)
  3. In the hall north of the room with upside-down chairs, head west, then north and to a crawlspace that has more armor bonuses. (sector 2162)
  4. Go through a cave tunnel going to the west end, then crouch at the east side and find health bonuses. (sector 2190)
  5. In the north hall, head south and down to the next door. In this room, lower the south wall to find a box of ammo, a box of shotgun shells, an energy cell pack, and a green armor. (sector 2221)
  6. In the north hall, open the north wall with caution stripes for boxes of ammo and a megaarmor. (sector 2444)
  7. At the west room of the westernmost building, go to the southeast side and follow the path all the way to an ammo clip, a box of rockets, a green armor, and energy cells. (sector 2480)
  8. At the northeast end of the westernmost building, head up at the south side, open the west wall, then the one behind it. Crawl through to get a box of ammo. (sector 2591)
  9. Fly through the Hellish section in the middle all the way to the west side and head north. Open the blue wall and crawl through, then dive south and you will reach a box of shotgun shells, a backpack, and boxes of ammo. (sector 2861)
  10. In the small, cave-like area west of the center of the map, follow the steps down, head north, then east and southeast. Fly up to get stimpacks, a box of ammo, and a green armor. (sector 3287)
  11. In the small, cave-like area west of the center of the map, follow the steps down, but fly up to a crawlspace containing health and armor bonuses. (sector 3300)
  12. After the monsters are released, return to the northeast part of the base and enter the large hold. Go northwest and into the next area, then open the wall with caution stripes at the top to find a hidden area with a stimpack, an ammo clip, and armor bonuses. (sector 3344)
  13. At the northernmost hall of the base, head east, then southeast and fly up. Go to the metal box and use its east side to reveal a box of ammo. (sector 3728)
  14. At the northernmost hall of the base, head to the west side and shoot the terminal south of the blue marine to move the wall, revealing ammo clips and shotgun shells. (sector 3814)
  15. While inside Secret #14, shoot the east terminal and the wall will move again. Head southeast to a box of shotgun shells and a switch out. (sector 3818)
  16. At the west side of the main base, open the blue door and go through the cave system until a fork leads north or southwest. Go southwest and into the sector with armor bonuses. The south section of the area counts as a secret, and you must crouch to trigger it. (sector 3864)
  17. Head south from Secret #3, then to the east vent. Follow the path to stimpacks, shotgun shells, armor bonuses, and an ammo clip. (sector 3867)


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 17, 2022.


Map data[edit]

Things 1361
Vertices 14765*
Linedefs 16242
Sidedefs 26034
Sectors 3978
* The vertex count without the effect of node building is 12192.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]