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MUDDweller is a MUD client
for the Macintosh. MUDs (Multi User Dungeon/Dimension) are multi-user games,
usually running on UNIX machines and accessed through the Internet. For a
copy of MUDDweller and further information on how to use it, please take a
look at www.shareware.com.
Use the search engine there to find a copy of the latest version, which will
come with a bare-bones user manual. This product is not particularly user-friendly
for novices, since it is a mostly-unsupported shareware product.