Doom mod weapon showcase: Ad Mortem (weapons-only version for GZDoom)
So I completely slept on Ad Mortem's phase 3 update! It adds more maps and actually replaces all of the weapons in its MBF21 version, but there's a WIP version of a weapons-only version available as well! This one will only work on GZDoom (and other ZDoom forks I suspect), however.
Do note it has its own custom palette, this might make some maps look weirdbad.
Sourceport: GZDoom 4.11 - https://zdoom.org/downloads
Map: Shooting Range.pk3 - https://www.doomworld.com/forum/topic/135569-zdoom-shooting-range-a-small-map-for-testing-guns/
Mod list:
Ad Mortem weapons only (GZDoom) - https://www.doomworld.com/forum/topic/125461-ad-mortem-a-mbf21-halloween-themed-megawad-new-update-phase-3-is-out/?page=4&tab=comments#comment-2748201
Damnums (damage numbers) - https://forum.zdoom.org/viewtopic.php?t=55048
A Floppy Disk Full of MIDI Files (music randomizer) - https://forum.zdoom.org/viewtopic.php?t=47189