I remember playing several MUDs back then..
Malicious Bliss
Dragon Swords
Realms of Destruction
Realms of Mituen
Dragon Swords definitely held my attention the longest
My friend Sean and I were playing and I have to say it was amazing.
A long time ago I played Yserbius, but due to no local preferred numbers and such I was no longer able to play. Then a day came when I stumbled on the standalone game for Yserbius and Twinion in an electronics/software/book...