DOOM1 + Brutal Doom v21 + Cacodemon Textures (Lite): DarkRoom Test Run
У вашего броузера проблема в совместимости с HTML5
Updated gameplay and grimier textures enhanced by Dark OpenGL-render and heavy contrast make for a terrifying claustrophobic experience in DOOM. Flashlight necessary.
Brutal Doom v21 Beta
https://www.moddb.com/mods/brutal-doom/downloads/brutal-doom-v21-beta
Cacodemon Textures Lite
https://www.moddb.com/mods/cacodemon-textures/downloads/ctu2017-lite
GZDoom v3.5.1, Win64
https://zdoom.org/downloads