Looking to Play with someone

Does this game still have multiplayer with active players ? I never got to play it as a kid.

I've been wanting a group of people to play Zombies with for a while, so I am starting a discord in which zombies players can meet one another and play together. English speaking players based in the US preferred. No specific rules, however; Don't be terribly vulgar, practice common decency towards others, that is all I ask. This will be used for all Treyarch Zombies titles: WaW, BO1, BO2, BO3, BO4, CW ADD/MESSAGE ME FOR AN INVITE I hope to see people there!...

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i tried playing waw co-op campaign with the boys and i couldent hear any dialouge and i also couldent hear any weapons firing except for my own weapons. I could only hear the music, my own character, and just ambient explosions throughout the maps. i tested out zombies to see if there was anything going on there too and yes there were no sounds coming from zombies or barriers being torn down. hopefully someone can help me out! i have never had this problem before. it has been a few years since i last play...