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

Our goal: To become one of the most fun places in the world to code.

16 countries    1,424 coders    2,559 worlds    164,201 runs    0.9 million lines of code    Update stats

GA (TSP)
299 runs ♦ 0 likes
By "Coding Train" p...  
Created: 24 Jun 2019
Modified: 15 Dec 2019
Genetic Algorithm to solve the Traveling Salesman Problem.
Romantic Sunset
113 runs ♦ 0 likes
By Enhanced  
Created: 17 Aug 2018
Modified: 10 May 2019
Turn your head and discover a eautiful scenery observable in first person mode.
Don't Move
1204 runs ♦ 2 likes
By Finnian O'Neill  
Created: 6 Dec 2016
Modified: 10 Feb 2018
P5 chase World
112 runs ♦ 0 likes
By Starter user  
Created: 4 Aug 2018
Modified: 13 Mar 2020
Example of World with Mind on P5 plain API. No AB framework. Have to call Mind yourself. Mind mo...
An online coding platform

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


Coders: Make 3D worlds and share them with friends. Clone and edit other people's worlds. Make touch mobile games. Embed your worlds on other sites.
Teachers: Run courses in coding and coding for kids and AI coding. Run programming practicals in 3D or 2D 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.
Enough talk. Show me a video!

OK, here is a high-level introduction.
This does not assume you have ever coded, or ever heard of JavaScript graphics (what is behind this site).

How to code
You can "run" any of the 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.
Click below to learn how to code on this site. Basically, there is a choice of "libraries" that you can use. Skip the intro, let us decide the library, and go straight to the starter tutorial (with videos):
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 2.1
252 runs ♦ 1 like
By "Coding Train" p...  
Created: 4 Sep 2018
Modified: 4 Sep 2018
Variables in p5.js (mouseX, mouseY)
Tutorial 7.3
105 runs ♦ 0 likes
By "Coding Train" p...  
Created: 5 Sep 2018
Modified: 5 Sep 2018
Arrays of Objects
Tutorial 7.8 variant
227 runs ♦ 0 likes
By "Coding Train" p...  
Created: 6 Sep 2018
Modified: 11 Sep 2018
Tutorial 7.8 with music and other uploaded images, including from other users. Click on the images.
Tutorial 2.5
39 runs ♦ 1 like
By "Coding Train" p...  
Created: 4 Sep 2018
Modified: 4 Sep 2018
The random() Function
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)
410 runs ♦ 0 likes
By "Coding Train" p...  
Created: 2 May 2019
Modified: 15 Dec 2019
Genetic Algorithm to write the first line of Finnegans Wake.
Character recogn...
450 runs ♦ 0 likes
By "Coding Train" p...  
Created: 5 Jul 2019
Modified: 15 Dec 2019
Neural network to do character recognition from image database and from handwriting in real-time.
A star
674 runs ♦ 1 like
By "Coding Train" p...  
Created: 1 May 2019
Modified: 15 Dec 2019
"A Star" algorithm to find shortest path through maze.
Breadth-first se...
550 runs ♦ 0 likes
By "Coding Train" p...  
Created: 30 Apr 2019
Modified: 15 Dec 2019
Breadth-first search with a Force-directed graph.
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 18.8
24 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 9 Sep 2018
3D Custom Shapes
Tutorial 18.5
42 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 2 Jun 2019
Camera and Perspective
Tutorial 18.3
12 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 9 Sep 2018
Light and Material
Tutorial 18.7
280 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 11 Sep 2018
Tutorial 18.7 with full canvas, resized model, sound. Texture on box is image from another user.
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.

One Cube World (...
767 runs ♦ 2 likes
By Starter user  
Created: 11 Apr 2018
Modified: 13 Mar 2020
Simple starter World (Three.js version). Cube of random color. Built-in camera control.
Blank Three.js World
927 runs ♦ 2 likes
By Starter user  
Created: 20 Nov 2016
Modified: 13 Mar 2020
A simple starter World. An Array of spheres. Painted with textures. Random motion.
Websockets boxes
136 runs ♦ 0 likes
By Starter user  
Created: 29 Feb 2020
Modified: 13 Mar 2020
Demo of Websockets in 3D World. Click to change the boxes on the other user's machine, while the...
Model World
586 runs ♦ 2 likes
By Starter user  
Created: 8 Nov 2016
Modified: 13 Mar 2020
Demo of how to insert 3d models into World. Mind-controlled agent, actively-pursuing enemy. Skybox.
Simple World
1214 runs ♦ 2 likes
By Starter user  
Created: 1 Oct 2016
Modified: 13 Mar 2020
Simple World with a Mind-controlled agent, randomly-moving enemy, paint blocks with texture.
Touch World
306 runs ♦ 1 like
By Starter user  
Created: 6 Jan 2018
Modified: 13 Mar 2020
How to override default touch handling. Mobile: Touch drag moves agent, touch pinch zooms camera...
Zombie Death Baby
439 runs ♦ 1 like
By Starter user  
Created: 11 Jun 2018
Modified: 13 Mar 2020
How to make a fun touch game for mobile. Touch drag and tap objects. Mouse drag and click object...
MineCraft
663 runs ♦ 2 likes
By Starter user  
Created: 27 Nov 2016
Modified: 13 Mar 2020
Use keyboard to draw blocks like in MineCraft. Use arrow keys and PgUp, PgDn to draw. Can save w...
User-controlled ...
466 runs ♦ 2 likes
By Starter user  
Created: 12 Feb 2017
Modified: 13 Mar 2020
3d model World. User controlled on desktop. Keyboard arrows to move. Switch to "Move with" camer...
Castle World
514 runs ♦ 4 likes
By Starter user  
Created: 11 Nov 2016
Modified: 13 Mar 2020
Demo of how to insert 3d model into World. Mind-controlled agent, actively-pursuing enemy. Splas...
Complex World
3546 runs ♦ 3 likes
By Starter user  
Created: 1 Oct 2016
Modified: 13 Mar 2020
World with a Mind-controlled agent, actively-pursuing enemy, random maze, skybox, music.
Random Worlds

Here are some random Worlds that have had more than 10 runs. Reload for more.

SampleTestMaize
59 runs ♦ 0 likes
By Harpreet Singh  
Created: 1 Nov 2019
Modified: 2 Nov 2019
Clone of "Complex World" by Starter user
New World
22 runs ♦ 0 likes
By Ger Gleeson  
Created: 4 Dec 2019
Modified: 4 Dec 2019
Light Test World
19 runs ♦ 0 likes
By Nathan Bonnard  
Created: 20 Jun 2018
Modified: 10 May 2019
World to understand all lights and effects that allows three.js
Breadth-first se...
60 runs ♦ 0 likes
By J Faj  
Created: 19 Oct 2019
Modified: 6 Dec 2019
Clone of "Breadth-first search (Kevin Bacon)" by "Coding Train" project
Binary tree (clo...
330 runs ♦ 0 likes
By K.Ellis  
Created: 14 Oct 2019
Modified: 14 Oct 2019
Clone of "Binary tree" by "Coding Train" project
User-controlled ...
466 runs ♦ 2 likes
By Starter user  
Created: 12 Feb 2017
Modified: 13 Mar 2020
3d model World. User controlled on desktop. Keyboard arrows to move. Switch to "Move with" camer...
Catch the flag
4202 runs ♦ 2 likes
By Meabh Horan  
Created: 16 Nov 2016
Modified: 10 Feb 2018
Car models with ...
476 runs ♦ 1 like
By Port of threejs....  
Created: 13 Sep 2018
Modified: 24 Mar 2019
Car bodywork reflects images from skybox. Click buttons to change model and bodywork. Mouse to m...
Cloned Tetris World
26 runs ♦ 0 likes
By Jack  
Created: 5 Nov 2017
Modified: 10 Feb 2018
testing Final Pool
13 runs ♦ 0 likes
By lillisl2  
Created: 8 Mar 2019
Modified: 8 Mar 2019
Clone of "Final Pool" by Ian Gilligan


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Ancient Brain ™ is a trademark of Ancient Brain Ltd.

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Call for partners!
If you are interested in writing a programming course, textbook or tutorial videos, Ancient Brain is looking for partners. We will work with you, and integrate your course into the site. This is an opportunity for someone looking to develop a course or textbook to partner with a site to support it and promote it.