MAP41: Mass Defect (Doomworld Mega Project 2016)


DMP 2016 maps 41-50

01 02 03 04 05 06 07 08 09 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
(41 - 50)

This level occupies the map slot MAP41. For other maps which occupy this slot, see Category:MAP41.
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MAP41: Mass Defect is the forty-first map of Doomworld Mega Project 2016. It was designed by A2Rob and uses the music track "Aliens, Say Your Prayers!" originally composed by Robert Prince for Duke Nukem 3D.


Map of Mass Defect
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 past the large lift, press on the terminal in front of you and ride it all the way up to get a berserk pack. (sector 103)
  2. Press on the wall to the right of the red key to find energy cells and a plasma gun. (sector 428)
  3. In the teleporter room past the red door, look towards the northwest corner and look towards the ceiling to spot a button. Shoot it, then go back to the starting hallway to find another switch. This will allow you to reach the small courtyard nearby. The cave here has a super shotgun and shotgun shells. (sector 649)


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 24, 2022.


Map data[edit]

Things 569
Vertices 3867*
Linedefs 3812
Sidedefs 6267
Sectors 681
* The vertex count without the effect of node building is 3179.


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

Technical information[edit]

Inspiration and development[edit]


See also[edit]


External links[edit]