How do you play herobrines mansion on multiplayer?

To play Herobrine's Mansion in multiplayer, first ensure that all players have the same version of minecraft and the map downloaded. Host a server or join an existing one, then upload the map to the server's world folder. Once in the game, players can select their characters, set rules if needed, and start the adventure by following the map's objectives together. Communication and teamwork are key to overcoming challenges and defeating Herobrine!