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CORE MUD [claimed]
telnet 198.53.153.168 4000
telnet 75.159.194.252 4000
telnet coremud.org 4000
telnet www.coremud.org 4000

Players now: 0  (measured, 12m)
Reachable: 79.0% of the last 90 days
Longest outage: 7d

Where to find this game
  WEBSITE    https://coremud.org  (declared, 17m)
  DISCORD    https://discord.gg/eB4MFH2WcY  (declared, 17m)
  CONTACT    [email protected]  (declared, 17m)

When people are on (UTC)
Busiest Wednesday 01:00–03:59.

  Mon — peak 1 at 01:00, nobody on 00:00–00:59
  Tue — peak 1 at 00:00, nobody on 03:00–04:59
  Wed — peak 2 at 03:00, nobody on 10:00–12:59
  Thu — peak 1 at 00:00
  Fri — peak 1 at 00:00
  Sat — peak 1 at 00:00, nobody on 22:00–22:59
  Sun — peak 1 at 02:00, nobody on 18:00–23:59

  counted = we got in and read a number, including a measured zero
  uncounted = we got in and no number could be read
  not measured = we have no measurement for that hour

How many, over time (21 Jul 2026 – 18 Oct 2026, UTC)
Typically 0 on, peaking at 5, over 51 of 90 days. Steady across the range.

  21 Jul–27 Jul: not measured
  28 Jul–3 Aug: not measured
  4 Aug–10 Aug: not measured
  11 Aug–17 Aug: typically 0, peak 1, 2 days counted, 5 days not measured
  18 Aug–24 Aug: typically 0, peak 5, 7 days counted
  25 Aug–31 Aug: typically 0, peak 3, 7 days counted
  1 Sep–7 Sep: typically 0, peak 4, 7 days counted
  8 Sep–14 Sep: typically 0, peak 2, 7 days counted
  15 Sep–21 Sep: typically 0, peak 3, 1 day counted, 6 days not measured
  22 Sep–28 Sep: typically 0, peak 1, 1 day counted, 6 days not measured
  29 Sep–5 Oct: typically 0, peak 3, 7 days counted
  6 Oct–12 Oct: typically 0, peak 3, 7 days counted
  13 Oct–18 Oct: typically 0, peak 3, 5 days counted, 1 day not measured

  earlier: ?from=2026-04-22&to=2026-07-20&plain=1
  a week is summarised over the days in it we counted; a week with none says so

Reachable (last 90 days)
Reachable 79.0% of the 66 days we have measured. 19 days unreachable. Longest
outage 7d (timed out). 10 days predate anything we measured. 14 days went
unmeasured — we were not watching.

  21 Jul – 30 Jul: 10 days not measured
  1 Aug – 14 Aug: 14 days not measured
  8 Sep – 9 Sep: 2 days unreachable (timed out)
  15 Sep – 23 Sep: 9 days unreachable (timed out)
  24 Sep – 28 Sep: 5 days unreachable (connection refused)
  30 Sep: 1 day unreachable (timed out)
  7 Oct: 1 day unreachable (timed out)
  14 Oct: 1 day unreachable (timed out)

Capabilities (0 of 11 disagree)
  CHARSET    measured: yes     declared: -
  MCCP       measured: yes     declared: -
  MSSP       measured: yes     declared: -
  UTF-8      measured: yes     declared: yes
  ANSI       measured: -       declared: yes
  GMCP       measured: -       declared: yes
  MSP        measured: -       declared: yes
  MXP        measured: -       declared: yes
  TLS        measured: -       declared: yes
  VT100      measured: -       declared: NO
  XTERM 256 COLORS measured: -       declared: yes

Declared by the game
  pay to play 0  (declared, 17m)
  status     live  (declared, 17m)
  codebase   FluffOS v2021  Colony 2.1  (declared, 17m)
  website    https://coremud.org  (declared, 17m)
  hostname   coremud.org  (declared, 17m)
  contact    [email protected]  (declared, 17m)
  intermud   i3  (declared, 17m)
  races      11  (declared, 17m)
  hiring coders 0  (declared, 17m)
  muindex claim muidx-ah872a5n25cz7jy4b5wy  (declared, 17m)
  family     LPMUD  (declared, 17m)
  discord    https://discord.gg/eB4MFH2WcY  (declared, 17m)
  port       4000  (declared, 17m)
  down with  Steve  (declared, 17m)
  location   North America  (declared, 17m)
  mudlib     Colony 2.1  (declared, 3m)
  ssl        4022  (declared, 17m)
  pay for perks 0  (declared, 17m)
  levels     65  (declared, 17m)
  areas      40  (declared, 17m)
  gameplay   Adventure, Hack and Slash, Player versus Environment, Questing, Roleplaying, Simulation  (declared, 17m)
  language   ENGLISH  (declared, 17m)
  charset    utf-8  (measured, 17m)
  hiring builders 0  (declared, 17m)
  classes    3  (declared, 17m)
  created    1996  (declared, 17m)
  tls        4022  (declared, 17m)
  objects    18226  (declared, 17m)
  name       CORE MUD  (declared, 17m)
  gamesystem Custom D&D ish  (declared, 17m)
  rooms      3250  (declared, 17m)
  skills     18  (declared, 17m)
  genre      Science Fiction  (declared, 17m)
  subgenre   Future Dystopian Capitalism + Parody  (declared, 17m)

Connect screen
  [connect screen: 21 lines, text only]

  
         o                             Welcome to
       ..|..
     ..  |  ..                          Core MUD
    .o   |   o.         "Company mining colony, Hermes-571G system"
    . \  |  / .
   .   \ | /   .      telnet coremud.org 4000 or 4022 for TLS
   .    \|/    .      https://coremud.org
  o------o------o
   .    /|\    .      They came from all corners of the galaxy. Taking
   ..  / | \  ..      one last look at the workers' transport shuttle,
    . /  |  \ .       the new Company employees silently bade farewell
    .o   |   o.       to all thoughts of family, comfort, and home for
     ..  |  ..        the next 4 years.
       ..|..
         o            All help files online at https://coremud.org/wiki
  
  
   Driver: fluffos 20240714-4a59909c-ee813760-uncommited, Mudlib: Colony 2.1
  Type new if you are a new player.
  By what name is your character known?

What changed
  2026-09-28  endpoint recorded as 75.159.194.252 4000 (handshake)
  2026-08-18  endpoint recorded as coremud.org 4000 (handshake)
  2026-08-16  endpoint recorded as 198.53.153.168 4000 (handshake)