Talk:Flamarang/@comment-124.182.29.150-20110620111720/@comment-4057037-20110621231952

You will need to talk to the old man at night and kill Skeletron to gain access to the dungeon without being hindered by Skeletron heads.

As for multiplayer, you click multiplayer and either host to host, or joina server, the easiest way is to use Himachi.