Brutal Doom won the first ever Cacoward in 2011 for Best Gameplay Mod and a MOTY award for creativity by Mod DB in 2012. It is compatible with Doom, The Ultimate Doom, Doom II: Hell on Earth, Final Doom, and other custom WADs.
If you have the game installed on Steam, Zandronum should automatically find them, if not, drop ’em in the folder. The 25th Page On This Wiki Brutal Doom is a gameplay mod that was created in 2010 by SergeantMarkIV.
Find the dir that you installed it too and drop the brutalv20.pk3 into the mods folder.
This is a step by step guide explaining how to install Brutal Doom with multiplayer. How to Install Brutal Doom with Multiplayer