Doom Speed Demo Archive
https://dsdarchive.com/

Iwad:      DOOM2.WAD
Pwad:      aaliens_v1_2.wad
Map:       MAP09
Skill:     4
Category:  UV Speed
Exe:       dsda-doom 0.29.0 -complevel 9
Attempts:  178

Time:      0:39.31

Author:    kmc

Comments:
First 42 came after 40-ish attempts, but I knew this could go under 40.  Most annoying is when you get the trick and the vile either doesn't wake up or decides he wants to go pacifist after teleporting.