This is LiveReverb, which gives dynamic reverb to all existing Doom maps!
Also works for Heretic and Hexen.
Requires GZDoom 3.0.0 or newer.
DOWNLOAD:
HERE!
If you want to get in contact, there's a Discord server for my mods and projects:
DISCORD
Also Twitter!
Also check out:
BorderDoom: Doom with Borderlands gameplay elements
Deformed Doom: deform any Doom map!