E3M3: Deep Space Observatory (Solar Struggle)

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Solar Struggle maps
Titan Terror

M1 M2 M3 M4 M5 M6 M7 M8 M9

Ceres Carnage

M1 M2 M3 M4 M5 M6 M7 M8 M9

Moon Madness
Venusian Violence

M1 M2 M3 M4 M5 M6 M7 M8 M9

This level occupies the map slot E3M3. For other maps which occupy this slot, see Category:E3M3.
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E3M3: Deep Space Observatory is the third map in the Moon Madness episode of Solar Struggle. It was designed by Dac and uses the music track "Long Night" by Stuart Rynn (stewboy).


Map of Deep Space Observatory
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. At the yellow key, look north and shoot the green button. Head southeast to teleport to find energy cell packs and a plasma gun. (sector 113)
  2. In the yellow key area, raise three pillars to the south, then get on the first one and go through the south wall to collect a berserk pack. (sector 139)
  3. Enter the lava at the southwest side and get to the middle of the building from the north end, where you can find a soul sphere. (sector 153)
  4. Drop to the floor southwest of the yellow key, then go to a thin wall northwest of the lift. There is a switch here. Flip it to lower a soul sphere to the west. (sector 301)
  5. Go to the blue key and head west, using the button. Head west of the button to a teleporter which takes you to health bonuses and a megaarmor. (sector 415)


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 11, 2022.


Map data[edit]

Things 496
Vertices 3514*
Linedefs 3398
Sidedefs 5295
Sectors 525
* The vertex count without the effect of node building is 2898.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]