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CORE MUD

Claimed by its owner — measured facts below are still ours.

198.53.153.168 4000answering since 16 Aug 2026

coremud.org 4000answering since 18 Aug 2026

www.coremud.org 4000answering since 31 Jul 2026

1 connected

declared

Connect screen

read as text 
       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?
as sent by the server 75×21 no colour captured

Connections by hour

Busiest Wednesday and Thursday 03:00–05:59.

times in UTC · 8-week rolling average

read as text — 7 rows
Players on by day, in UTC. 8-week rolling average.
day quietest busiest at not measured no count
Mon0 1 00:00– –
Tue0 1 00:00– –
Wed0 2 03:00– –
Thu0 2 04:00– –
Fri0 1 01:00– –
Sat0 2 18:00– –
Sun0 1 00:00– –

How many, over time

No measurement in this range.

days in UTC · 5 Sep 2025 – 3 Dec 2025

Nothing counted in this range.

Reachable

reachable · last 90 days

Reachable 99.0% of the 28 days we have measured. 2 days unreachable. Longest outage 6h (timed out). 48 days predate anything we measured. 14 days went unmeasured — we were not watching.

90 days ago today
reachable
99.0%
longest outage
6h
last cause
timed out
  • reachable
  • degraded — answered, could not finish
  • unreachable
  • not measured
read as text
  • 13 Jun – 30 Jul: 48 days not measured
  • 1 Aug – 14 Aug: 14 days not measured
  • 8 Sep – 9 Sep: 2 days unreachable (timed out)

What changed

  1. 18 Aug 2026 endpoint recorded as coremud.org 4000 (handshake)
  2. 16 Aug 2026 endpoint recorded as 198.53.153.168 4000 (handshake)
  3. 31 Jul 2026 endpoint recorded as www.coremud.org 4000 (handshake)

Capabilities

None of the 11 disagree.
capability measured declared age
CHARSET ● offered – silent
MCCP ● offered – silent
MSSP ● offered – silent
UTF-8 ● offered ◇ claimed
ANSI – silent ◇ claimed
GMCP – silent ◇ claimed
MSP – silent ◇ claimed
MXP – silent ◇ claimed
TLS – silent ◇ claimed
VT100 – silent ✕ denied
XTERM 256 COLORS – silent ◇ claimed

Declared by the game

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