A plod through the Doom mod ‘Demonsteele’ created by TerminusEst13.
Enjoy!
Demonsteele mod: http://forum.zdoom.org/viewtopic.php?t=46787
Alien Vendetta wad: https://www.doomworld.com/idgames/levels/doom2/megawads/av
Source port used: GZDoom
Load order used: demonsteele-v0.9.pk3, demonsteele-nowthatswhaticallmidi-v3.5.pk3, av.wad