Must also correct the path name in the Target: line. OR download Zandronum and use the DOOM.wad file from the release you have here and be able to play online too. Source: 12 months ago

The most active multiplayer Doom port is Zandronum, using the Doomseeker server browser to join games. Mac support may be a bit flaky, but I think it currently works (join the Discord for help). https://zandronum.com/ - get the software, join the discord https://doomlist.net/ - see active servers. - Source: Hacker News / over 1 year ago

That doesn´t really have anything to do with doom mods. Zandronum works similar to gzdoom. It can only play wads and pk3. You can get it here: https://zandronum.com/. Source: over 1 year ago

Zandronum - free Doom engine source port designed for multiplayer from the ground up, easily supports 10 players and has a shitload of mod support. Source: about 2 years ago

Https://zandronum.com Https://freedoom.github.io Or https://store.steampowered.com/app/2300/DOOM_II/ You can play doom deathmatch. Source: over 2 years ago

People on protondb claim to have success running that using Luxtorpeda. Also id software released the source code for the game so you could just run a native Linux build with OpenGL support: https://uhexen2.sourceforge.net/. Source: about 1 year ago

I also wanted to throw in the link for the command line thing I mentioned https://uhexen2.sourceforge.net/ it's in section 1.3 but I'm genuinely not sure how to use it or what a command line even is lol I've also tried console commands but with no luck. I hope this helps! Source: over 1 year ago

My best friend and I have been meaning to experience this game for a while now but we can't seem to connect to each other. We are installing from http://uhexen2.sourceforge.net/ windows 64bit version. Source: over 1 year ago

I wouldn't bother running it on the original executable, just use Hammer of Thyrion. It's an updated source port. Source: about 2 years ago