MajorMUD! Also, for anyone interested in MUME (Multi-Users in Middle Earth), a Tolkein-based MUD running since 1992, albeit via telnet and not as a BBS door game... It is still running, all these years later [0].
[0] http://mume.org
[0] http://mume.org
Sometimes the Internet is a wonderful place! Not always, but there's still a lot of good stuff around.