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Ancient Brain
Code. Play. Teach. Learn. Research. Demo.

An online coding and hosting platform for everyone.

34 countries    2,152 coders    9,329 worlds    506,205 runs    3.2 million lines of code    Update stats

Websocket buttons
198 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...
Blank Three.js World
1504 runs ♦ 2 likes
By Starter user  
Created: 20 Nov 2016
Modified: 17 Sep 2023
A simple starter World. An Array of spheres. Painted with textures. Random motion.
project
340 runs ♦ 0 likes
By Vaidas Buzas  
Created: 29 Nov 2022
Modified: 17 Sep 2023
Infinite World G...
146 runs ♦ 0 likes
By Enhanced  
Created: 16 Aug 2018
Modified: 17 Sep 2023
Here is a code to get an infinite world that loop without object in it, and with the sun
An online coding platform

Ancient Brain is an online coding and hosting platform for everyone.
See Introduction and List of features.


Coders: Make 3D worlds and share them with friends. Clone and edit other people's worlds. Make multi-user games and environments. Make touch mobile games. Upload your own images, music and 3D models. Embed your worlds on other sites.
Teachers: Run courses in coding and coding for kids and AI coding. Run programming practicals in 3D graphics or 2D graphics or text, with many features designed for teachers. Safely edit and run student code.
Learners: Do courses in coding and coding for kids and AI coding. Clone other people's worlds and change one or two lines. What's the worst that could happen?
Gamers: Play the endless game worlds the coders make. Come and browse an ever-growing archive of games.
Researchers: Upload problems, tender for solutions, test and rank them. Make hybrid AI systems from the code of multiple authors.
Getting started
You can "run" any of the 9,329 programs or "Worlds" by clicking on them. But this is also a coding site, where you can code your own Worlds. You can use this site to learn to code. Or show off your creations if you are an experienced coder.
Basically you can read more about how to get started running Worlds and coding: Or you can leap straight into coding with our starter tutorial:
Programming course

Ancient Brain has a course in how to program from scratch.
You will get to make "Worlds" like the following. Click on them to run them.

Tutorial 2.5
163 runs ♦ 1 like
By "Coding Train" p...  
Created: 4 Sep 2018
Modified: 17 Sep 2023
The random() Function
Tutorial 2.1
546 runs ♦ 1 like
By "Coding Train" p...  
Created: 4 Sep 2018
Modified: 17 Sep 2023
Variables in p5.js (mouseX, mouseY)
Tutorial 7.3
225 runs ♦ 0 likes
By "Coding Train" p...  
Created: 5 Sep 2018
Modified: 17 Sep 2023
Arrays of Objects
Tutorial 7.8 variant
369 runs ♦ 0 likes
By "Coding Train" p...  
Created: 6 Sep 2018
Modified: 17 Sep 2023
Tutorial 7.8 with music and other uploaded images, including from other users. Click on the images.
AI course

Ancient Brain has a set of AI programming exercises, with videos and notes. For use in any AI course.
You will get to modify "Worlds" like the following. Click on them to run them.

GA (Finnegans Wake)
997 runs ♦ 0 likes
By "Coding Train" p...  
Created: 2 May 2019
Modified: 17 Sep 2023
Genetic Algorithm to write the first line of Finnegans Wake.
A star
3958 runs ♦ 1 like
By "Coding Train" p...  
Created: 1 May 2019
Modified: 17 Sep 2023
"A Star" algorithm to find shortest path through maze.
Breadth-first se...
2778 runs ♦ 0 likes
By "Coding Train" p...  
Created: 30 Apr 2019
Modified: 17 Sep 2023
Breadth-first search with a Force-directed graph.
Character recogn...
1801 runs ♦ 0 likes
By "Coding Train" p...  
Created: 5 Jul 2019
Modified: 17 Sep 2023
Neural network to do character recognition from image database and from handwriting in real-time.
WebGL course

Ancient Brain has a short course in JavaScript 3D graphics ("WebGL") programming.
You will get to make "Worlds" like the following. Click on them to run them.

Tutorial 18.5
91 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 17 Sep 2023
Camera and Perspective
Tutorial 18.7
410 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 17 Sep 2023
Tutorial 18.7 with full canvas, resized model, sound. Texture on box is image from another user.
Tutorial 18.3
63 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 17 Sep 2023
Light and Material
Tutorial 18.8
90 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 17 Sep 2023
3D Custom Shapes
Starter Worlds for Three.js

These are the main "Starter Worlds" that use the Three.js library (which tends to give the most advanced graphics).

You can Clone and Edit all of these and change their code. Look for a section at the top called the "Tweaker's Box". This contains the easiest things to change.

Zombie Death Baby
771 runs ♦ 1 like
By Starter user  
Created: 11 Jun 2018
Modified: 17 Sep 2023
How to make a fun touch game for mobile. Touch drag and tap objects. Mouse drag and click object...
Simple World
1646 runs ♦ 2 likes
By Starter user  
Created: 1 Oct 2016
Modified: 17 Sep 2023
Simple World with a Mind-controlled agent, randomly-moving enemy, paint blocks with texture.
Password Websock...
66 runs ♦ 0 likes
By Starter user  
Created: 14 Nov 2022
Modified: 17 Sep 2023
Password version of "Websockets boxes"
One Cube World (...
1113 runs ♦ 2 likes
By Starter user  
Created: 11 Apr 2018
Modified: 17 Sep 2023
Simple starter World (Three.js version). Built-in camera control.
Websockets boxes
803 runs ♦ 0 likes
By Starter user  
Created: 29 Feb 2020
Modified: 17 Sep 2023
Demo of Websockets in 3D World. Click to change the boxes on the other user's machine, while the...
Castle World
786 runs ♦ 4 likes
By Starter user  
Created: 11 Nov 2016
Modified: 17 Sep 2023
Demo of how to insert 3d model into World. Mind-controlled agent, actively-pursuing enemy. Splas...
Touch World
457 runs ♦ 1 like
By Starter user  
Created: 6 Jan 2018
Modified: 17 Sep 2023
How to override default touch handling. Mobile: Touch drag moves agent, touch pinch zooms camera...
Blank Three.js World
1504 runs ♦ 2 likes
By Starter user  
Created: 20 Nov 2016
Modified: 17 Sep 2023
A simple starter World. An Array of spheres. Painted with textures. Random motion.
Complex World
8199 runs ♦ 5 likes
By Starter user  
Created: 1 Oct 2016
Modified: 17 Sep 2023
World with a Mind-controlled agent, actively-pursuing enemy, random maze, skybox, music.
MineCraft
1116 runs ♦ 2 likes
By Starter user  
Created: 27 Nov 2016
Modified: 17 Sep 2023
Use keyboard to draw blocks like in MineCraft. Use arrow keys and PgUp, PgDn to draw. Can save w...
User-controlled ...
915 runs ♦ 2 likes
By Starter user  
Created: 12 Feb 2017
Modified: 17 Sep 2023
3d model World. User controlled on desktop. Keyboard arrows to move. Switch to "Move with" camer...
Model World
856 runs ♦ 2 likes
By Starter user  
Created: 8 Nov 2016
Modified: 17 Sep 2023
Demo of how to insert 3d models into World. Mind-controlled agent, actively-pursuing enemy. Skybox.
Random Worlds

Here are some random Worlds that have had more than 30 runs. Reload for more.

Cloned Shooting ...
31 runs ♦ 0 likes
By James Humphrys  
Created: 26 May 2018
Modified: 17 Sep 2023
Clone of "Shooting Range (Space To Shoot)" by Adrian Rabbitte
\demo clone of t...
45 runs ♦ 0 likes
By Chinmay  
Created: 7 Oct 2021
Modified: 17 Sep 2023
Clone of "Blank Three.js World (clone by Chinmay)" by Chinmay
Wrong Way Motorway
1231 runs ♦ 0 likes
By James Reilly  
Created: 9 Aug 2023
Modified: 17 Sep 2023
Ca318 repeat practical
My Clone
94 runs ♦ 0 likes
By David Ghiurcan  
Created: 20 Sep 2022
Modified: 17 Sep 2023
Lab Clone by Dave
captureTheFlag
405 runs ♦ 0 likes
By tuitef2  
Created: 26 Jan 2019
Modified: 17 Sep 2023
RKJ's world
65 runs ♦ 0 likes
By Rahul K Johny  
Created: 22 Sep 2022
Modified: 17 Sep 2023
Definitely not a cube
Alien War 1
247 runs ♦ 0 likes
By Sharmistha  
Created: 6 Nov 2021
Modified: 17 Sep 2023
Assignment Part 1
Character recogn...
304 runs ♦ 0 likes
By Fergus  
Created: 29 Nov 2020
Modified: 17 Sep 2023
Assignment 2: Character recognition neural network
Touch MineCraft
51 runs ♦ 0 likes
By Test account  
Created: 9 Jan 2018
Modified: 10 Feb 2018
Cloned Cloned CA...
60 runs ♦ 0 likes
By the Platyman  
Created: 25 Nov 2018
Modified: 17 Sep 2023
Clone of "Cloned CA318 2018 World" by the Platyman


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Ancient Brain is looking for a partner to co-write a JavaScript 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.