Links and other resources
You can find more information on M.U.L.E. on these other sites.
The Digital Antiquarian
Detailed history of M.U.L.E. and designer Dan Bunten.
World of M.U.L.E.
More information on the PC version of M.U.L.E. including an interview with the developer.
MobyGames page for the various versions of M.U.L.E.
More information on the Commodore 64 version of M.U.L.E.
Wikipedia article on M.U.L.E.