De Digitale Metro is the first and biggest Dutch Moo. It was created in 1994 by Michael van Eeden for the Amsterdam Digital City. Not it is an independant moo. The base of the moo was the Amsterdam subway, but many things have been build: lots of features, games, etc. It is newbie friendly: people are always willing to help (well, almost always).
Read more at MUDConnector.Com