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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    1,443 coders    2,565 worlds    164,536 runs    0.9 million lines of code    Update stats

Blank Three.js World
930 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.
One Cube World (P5)
525 runs ♦ 0 likes
By Starter user  
Created: 10 Nov 2018
Modified: 13 Mar 2020
Simple starter World (P5 version). No camera control. So cube rotates to show 3D.
Model World
590 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.
Bouncy Balls
359 runs ♦ 3 likes
By Starter user  
Created: 1 Oct 2017
Modified: 13 Mar 2020
Demo of Physics API. Balls bounce under gravity and collide in low friction world. Splash screen...
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 2.5
40 runs ♦ 1 like
By "Coding Train" p...  
Created: 4 Sep 2018
Modified: 4 Sep 2018
The random() Function
Tutorial 7.3
108 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.
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)
411 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.
A star
690 runs ♦ 1 like
By "Coding Train" p...  
Created: 1 May 2019
Modified: 15 Dec 2019
"A Star" algorithm to find shortest path through maze.
Character recogn...
455 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.
Breadth-first se...
559 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 18.7
281 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.
Tutorial 18.8
24 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 9 Sep 2018
3D Custom Shapes
Tutorial 18.3
12 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 9 Sep 2018
Light and Material
Tutorial 18.5
42 runs ♦ 0 likes
By "Coding Train" p...  
Created: 9 Sep 2018
Modified: 2 Jun 2019
Camera and Perspective
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.

Complex World
3547 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.
Websockets boxes
138 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...
Blank Three.js World
930 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.
Castle World
516 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...
Model World
590 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.
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
442 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...
Simple World
1215 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.
One Cube World (...
770 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.
User-controlled ...
468 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...
MineCraft
666 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...
Random Worlds

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

Cloned Maze Batt...
36 runs ♦ 0 likes
By test <h1>  
Created: 30 Sep 2017
Modified: 10 Feb 2018
New World
22 runs ♦ 0 likes
By Ger Gleeson  
Created: 4 Dec 2019
Modified: 4 Dec 2019
Camera stuffs
167 runs ♦ 0 likes
By tuitef2  
Created: 6 Mar 2019
Modified: 7 Mar 2019
Clone of "Bot Following Food AI 2.0" by Mikey Dowling
New Worldddddd
27 runs ♦ 0 likes
By Noah Donnaile  
Created: 5 Mar 2018
Modified: 5 Mar 2018
Vintage One One ...
28 runs ♦ 0 likes
By Vintage One  
Created: 5 Apr 2019
Modified: 5 Apr 2019
Clone of "One Cube World (Three.js)" by Starter user
8 game
171 runs ♦ 0 likes
By Kevin Sweeney  
Created: 10 Nov 2016
Modified: 10 Feb 2018
One Cube World (...
40 runs ♦ 0 likes
By Stratford College 6  
Created: 14 Nov 2019
Modified: 14 Nov 2019
Clone of "One Cube World (P5)" by Starter user
gacha gamer
19 runs ♦ 0 likes
By DIT Festival of ...  
Created: 7 Jun 2019
Modified: 7 Jun 2019
i like memes and family guy
Sushi
20 runs ♦ 0 likes
By Mathias Bazin  
Created: 29 May 2018
Modified: 29 May 2018
Clone of "Sushi" by Mathias Bazin
sharon dragonballz
14 runs ♦ 0 likes
By DIT Festival of ...  
Created: 13 Jun 2019
Modified: 14 Jun 2019
Clone of "One Cube World (P5)" by Starter user


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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.