Welcome to CircleMUD!
CircleMUD is a multi-user dungeon game system (MUD) written by Jeremy Elson, originally
at Johns Hopkins University's
Department of Computer Science
in May of 1996). CircleMUD is a derivative of DikuMUD Gamma 0.0, which was
written in 1990 at DIKU, the
Department of Computer Science at the University of Copenhagen, by
Katja Nyboe, Tom Madsen, Hans Henrik Staerfeldt, Michael Seifert, and
A MUD (Multiple User
Dimension or Multiple User Dungeon) is a computer program which allows
Internet users from around the world to connect to it, create
fictional characters for themselves, and then interact with other real
users as well as computer-generated entities in a virtual
environment. Users can explore their virtual world, talk to or perform
actions with other human players, roam through dangerous
monster-infested areas, solve puzzles, and seek treasures.
Player-to-player interaction is common in modern-day games
but MUDs were among the
first to do so.
DikuMUD is a particular class
of MUD which tends to be combat-oriented with a look and feel similar
to some (non-computerized) role-playing
games. CircleMUD is a derivative of DikuMUD. While
Circle still retains the "look and feel" of the original
DikuMUD, it has dozens of additional features and bug fixes, and much
of the code has been rewritten to be more flexible, efficient, easy to
understand, and easy to extend.
CircleMUD is freeware! You can download all of Circle's source code,
libraries and documentation absolutely free. The code compiles under most
versions of UNIX (including Solaris, SunOS 4.x, Ultrix, Linux, AIX, and
HP/UX), Microsoft Windows (Windows 95 and Windows NT), IBM OS/2, Mac
System 7/8, OpenVMS, and the Amiga.
- A list of some of the sites currently using the CircleMUD software.
If you're unfamiliar with MUDs and MUDding, this is where you should look
if you want to try playing CircleMUD.
- Information for those who want to try running their own Circle-based
MUD, or are already running one. This page has info about the CircleMUD
FTP site, the
Documentation Project, and the
- A detailed history of the events leading up to CircleMUD's creation
and eventual release as a public code base.
- An overview of the CircleMUD world, its contents, and some maps of
- Other items which may be of general interest to MUDders, although not
necessarily related directly to CircleMUD.
And now, a few words from our supporters --
- The license by which all CircleMUD users must abide. Note that
since CircleMUD is based on DikuMUD, the DikuMUD license also
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