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

Iwad:      DOOM2.WAD
Pwad:      1aa.wad
Map:       MAP15
Skill:     4
Category:  UV Max
Exe:       dsda-doom 0.29.4 -complevel 21

Time:      13:35.17

Author:    bnbhehe

Comments:
If you do the "hard" path first, the rest is easy. Just keep rockets maybe for the vile wave at the end.