How to run Worlds

Worlds that can be run are usually indicated by a world image to click on, like these:


Blank Three.js World
431 runs ♦ 2 likes
Starter user
Simple World
781 runs ♦ 2 likes
Starter user


Sometimes the run is done by clicking a run button, like: and:

Try all of the above. They are working links.




A run opens a new tab or window

  • The run takes place on the client side in your browser.
  • A run opens a new tab or new window.

  • Camera control: Depending on the API, it may be possible for the user to control the camera in the run window. Try mouse drag (or touch drag on a touch screen) to move the camera. Try mouse scroll (or touch pinch on a touch screen) to zoom in and out.




To close the run window

To close the run window:
  • Click on the Close icon:
  • Or click on the normal tab or window close icon.
  • Or use a keyboard shortcut like Ctrl-W.
  • See keyboard shortcuts for closing tabs and windows on different operating systems.



Warning to all users: A run is like a random website

All users should be advised that a run window is essentially a third party website.

Our philosophy is to allow the upload of almost any JavaScript, subject to some basic checks. We do not want to put limits on the imagination of authors. Authors can write to the run window, redesign it and insert links into it. Essentially, World authors and Mind authors "own" the run window, as if it was their website.

So you should treat each run as if it is a new, unknown website that you have landed on after following a link on social media. Do not enter any passwords (even Ancient Brain passwords) into a run window. Do not type any sensitive data into a run window. Follow any links in it with caution. Watch out for it redirecting to another server. Read any user comments. Check out who wrote it.

Please report misleading or malicious Worlds and Minds to abuse@ancientbrain.com and we will delete them.

Note that:

  • Login pages are on the server:   https://ancientbrain.com
  • Run windows are on the server:   http://run.ancientbrain.com
  • Run windows may redirect to a new server entirely.



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