What is "batmud"

BatMUD is a medieval fantasy MUD, established in 1990. BatMUD is Finland-based and operated and owned by a non-profit organization, Balanced Alternative Techniques ry ("B.A.T. ry"), officially registered 1994 in Helsinki, Finland.

By 2006, over 100,000 players had frequented the game, making it one of the largest text-based multiplayer games on the Internet. In the beginning of 2008, it had over 30,000 subscriptions. At the end of 2011, amount of subscriptions was similarly over 30,000 giving BatMUD a flat growth (amount of new players equal those who no longer frequent the game). It has been called a "very popular and complex game".