MongooseA text-based world full of questionable inventions.
Mongoose — a multiplayer text world

There's a cow
in the lab.

Explore a living text world shaped by the people in it. Meet friends and build something of your own.

You type commands. People answer. Sometimes the furniture does, too.

The client runs in your browser. You can visit as a guest.

> look
[glorp's Lab]
A compact, cluttered workspace.
A benchmark cow is near the north wall.

> say hello
You say, "hello."
A glimpse of the lab. The cow is really there.

A few doors to try.

  1. See who's here

    A list of connected players, plus people's homepages.

  2. Read something

    Books written here, and public mailing lists for the longer conversations.

  3. Look under the hood

    Browse objects and public MOO code. There's command help and a project task list (login required).

  4. Keep up with people elsewhere

    Use @fedi to follow and read ActivityPub and Bluesky feeds from inside Mongoose.

What's new

  1. Programmer builtins: parent lists and initializer arguments

    2026-10-26

    Programmers can now pass a list of parents to create(), for example create({parent_one, parent_two}), and supply initializer arguments in the argument orders accepted by the server. Numbered and anonymous creation both forward those argu...

  2. Planets and stations can be guarded by defense satellites; ships can hail each other

    2026-10-26

    Any planet, moon, station or other space object can now be guarded by orbital defense satellites. A wizard adds the command feature with @addfeature #21980, then types @defend <name> [with <n>] (three satellites by default). @defenses <n...

  3. External spacecraft servicing

    2026-10-26

    X-wings now have a usable underfloor cargo hold. Beside a stopped, landed ship, use openhold <ship>, load <item> into <ship>, unload <item> from <ship>, cargo <ship>, and closehold <ship>. The hold contains real items and respects locks....

Read the changelog

The world right now.

4players online
498registered players
21years of world history
World activity and server details

Server time: Mon Oct 26 07:51:11 2026 UTC
Running ToastStunt 2.7.3_37
Time since reboot: 11 days, 15 hours, 32 minutes, and 51 seconds
Latest object ID: #283731
Web requests served: 2501749

Players online over the last day

Recorded counts ranged from 4 to 11 connected players. The latest reading was 4 at 2026-10-26 07:40 UTC.

Each reading is the highest connected-player count observed in a 20-minute collection window, excluding network-link accounts. Gaps mean no reading was recorded.

Connected players during the last 24 hoursRecorded counts ranged from 4 to 11 connected players. The latest reading was 4 at 2026-10-26 07:40 UTC. Exact times and counts are available in the table below. 0 11 2026-10-25 08:00 UTC: 6 connected players 2026-10-25 08:40 UTC: 6 connected players 2026-10-25 09:00 UTC: 6 connected players 2026-10-25 09:40 UTC: 6 connected players 2026-10-25 10:00 UTC: 6 connected players 2026-10-25 10:40 UTC: 6 connected players 2026-10-25 11:00 UTC: 6 connected players 2026-10-25 11:40 UTC: 6 connected players 2026-10-25 12:00 UTC: 6 connected players 2026-10-25 12:40 UTC: 6 connected players 2026-10-25 13:00 UTC: 6 connected players 2026-10-25 13:40 UTC: 6 connected players 2026-10-25 14:00 UTC: 6 connected players 2026-10-25 14:40 UTC: 6 connected players 2026-10-25 15:00 UTC: 6 connected players 2026-10-25 15:40 UTC: 6 connected players 2026-10-25 16:00 UTC: 7 connected players 2026-10-25 16:40 UTC: 6 connected players 2026-10-25 17:00 UTC: 6 connected players 2026-10-25 17:40 UTC: 6 connected players 2026-10-25 18:00 UTC: 6 connected players 2026-10-25 18:40 UTC: 6 connected players 2026-10-25 19:00 UTC: 6 connected players 2026-10-25 19:40 UTC: 6 connected players 2026-10-25 20:00 UTC: 6 connected players 2026-10-25 20:40 UTC: 6 connected players 2026-10-25 21:00 UTC: 7 connected players 2026-10-25 21:40 UTC: 5 connected players 2026-10-25 22:00 UTC: 5 connected players 2026-10-25 22:40 UTC: 6 connected players 2026-10-25 23:00 UTC: 5 connected players 2026-10-25 23:40 UTC: 5 connected players 2026-10-26 00:00 UTC: 5 connected players 2026-10-26 00:40 UTC: 7 connected players 2026-10-26 01:00 UTC: 6 connected players 2026-10-26 01:40 UTC: 7 connected players 2026-10-26 02:00 UTC: 11 connected players 2026-10-26 02:40 UTC: 7 connected players 2026-10-26 03:00 UTC: 5 connected players 2026-10-26 03:40 UTC: 6 connected players 2026-10-26 04:00 UTC: 6 connected players 2026-10-26 04:40 UTC: 5 connected players 2026-10-26 05:00 UTC: 5 connected players 2026-10-26 05:40 UTC: 6 connected players 2026-10-26 06:00 UTC: 5 connected players 2026-10-26 06:40 UTC: 4 connected players 2026-10-26 07:00 UTC: 4 connected players 2026-10-26 07:40 UTC: 4 connected players 07:51 UTC 07:51 UTC
Read player counts as a table
Recorded online player counts; times are in UTC
Collection window startsConnected players
2026-10-25 08:00 UTC6
2026-10-25 08:40 UTC6
2026-10-25 09:00 UTC6
2026-10-25 09:40 UTC6
2026-10-25 10:00 UTC6
2026-10-25 10:40 UTC6
2026-10-25 11:00 UTC6
2026-10-25 11:40 UTC6
2026-10-25 12:00 UTC6
2026-10-25 12:40 UTC6
2026-10-25 13:00 UTC6
2026-10-25 13:40 UTC6
2026-10-25 14:00 UTC6
2026-10-25 14:40 UTC6
2026-10-25 15:00 UTC6
2026-10-25 15:40 UTC6
2026-10-25 16:00 UTC7
2026-10-25 16:40 UTC6
2026-10-25 17:00 UTC6
2026-10-25 17:40 UTC6
2026-10-25 18:00 UTC6
2026-10-25 18:40 UTC6
2026-10-25 19:00 UTC6
2026-10-25 19:40 UTC6
2026-10-25 20:00 UTC6
2026-10-25 20:40 UTC6
2026-10-25 21:00 UTC7
2026-10-25 21:40 UTC5
2026-10-25 22:00 UTC5
2026-10-25 22:40 UTC6
2026-10-25 23:00 UTC5
2026-10-25 23:40 UTC5
2026-10-26 00:00 UTC5
2026-10-26 00:40 UTC7
2026-10-26 01:00 UTC6
2026-10-26 01:40 UTC7
2026-10-26 02:00 UTC11
2026-10-26 02:40 UTC7
2026-10-26 03:00 UTC5
2026-10-26 03:40 UTC6
2026-10-26 04:00 UTC6
2026-10-26 04:40 UTC5
2026-10-26 05:00 UTC5
2026-10-26 05:40 UTC6
2026-10-26 06:00 UTC5
2026-10-26 06:40 UTC4
2026-10-26 07:00 UTC4
2026-10-26 07:40 UTC4