Drag the background!
Starter Worlds for API: Webpage (r2)

API Uses canvas Graphics libraries AB framework Worlds using this API Starter Worlds
Webpage (r2) No None No 1533 Worlds Starter Worlds
Test Websockets
314 runs ♦ 0 likes
By Starter user  
Created: 14 Nov 2022
Modified: 17 Sep 2023
Test if Websocket server is up
Password Websock...
44 runs ♦ 0 likes
By Starter user  
Created: 14 Nov 2022
Modified: 17 Sep 2023
Password only Websocket world (web page version). Need to enter password. Only join with users w...
Websocket buttons
238 runs ♦ 0 likes
By Starter user  
Created: 29 Feb 2020
Modified: 17 Sep 2023
Demo of Ancient Brain Websockets functionality. Run on multiple devices. Simple page uses button...
Chat with GPT 5.6
20 runs ♦ 0 likes
By Starter user  
Created: 3 Sep 2026
Modified: 3 Sep 2026
JavaScript World to chat with GPT 5.6 (2026), the model used by ChatGPT as at 2026.
Chat with GPT 3.5
1666 runs ♦ 5 likes
By Starter user  
Created: 18 Sep 2023
Modified: 3 Sep 2026
JavaScript World to chat with GPT 3.5 (2022), the model used by the original ChatGPT at the expl...
Flickr World
235 runs ♦ 0 likes
By Starter user  
Created: 12 Aug 2018
Modified: 6 Oct 2025
Demo of "Web page" API. Just use JS to make a web page. This page gets images from Flickr using ...
Websocket chat
1080 runs ♦ 0 likes
By Starter user  
Created: 29 Feb 2020
Modified: 17 Sep 2023
Demo of Ancient Brain Websockets functionality. Run on multiple devices. Chat from one to the other.
The background is a program, showing the JavaScript graphics used on this site.
The globes light up when you log in.
 
Font:

Users retain ownership of user content.

Platforms      Stats      The name      Terms and conditions

Call for partners      Contact

Call for partners!
Ancient Brain is looking for a partner to co-write a JavaScript or Python coding book for schools, to be used worldwide. This would be a course for students in learning to code from scratch. The book and course will be integrated into the Ancient Brain site. This is an opportunity for someone looking to develop a course and textbook to partner with a site to promote it. Read more.