MongooseA living laboratory of myriad worlds.
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. $dict dictionaries work again

    2026-11-09

    Programmers can use $dict again. $dict:new() used to hand back a broken value, so every $dict call failed. $dict:new(), set, d[key] = value, get, get_default, remove, strict_add, strict_set, keys, values, pairs, plist, from_pairs and fro...

  2. Metric units: heights, weights and walking distances

    2026-11-09

    You can now see heights, weights and walking distances in metric units. Type @player-options +metric and a height of 5 ft, 10 in shows as 1.78 m, and 150.0 lb shows as 68.0 kg. Type @player-options -metric to go back.

  3. Drivable cars and an electric car on Mill Road

    2026-11-09

    You can now drive real cars. On Mill Road in Toint Town, west of the dead end, a small red petrol hatchback and a white electric hatchback are parked. Type board hatchback (or get in ev), start it, then drive west or drive east. While yo...

Read the changelog

The world right now.

7players online
577registered players
21years of world history
World activity and server details

Server time: Mon Nov 9 19:26:03 2026 UTC
Running ToastStunt 2.7.3_37
Time since reboot: 5 days, 21 hours, 40 minutes, and 12 seconds
Latest object ID: #287547
Web requests served: 2719550

Players online over the last day

No player-count readings are available for the last 24 hours.