three.js

What three.js does

Free, open source (MIT) JavaScript 3D library for WebGL and WebGPU that runs games and scenes directly in the browser. It is listed in our Game Engines category.

Pricing and free tier

three.js is listed as free. Plans change often, so confirm on the official site before you pay.

Best use for beginner game devs

We rate three.js 3/5 for beginners, which makes it usable by beginners with a little patience. A code library, not an editor, but AI coding agents write three.js well and you test in any browser.

Best for: A small 3D browser game you can share as a link or upload to itch.io, built with an AI coding agent.

Alternatives to three.js

• Construct 3 (Freemium, beginner rating 5/5): Browser based 2D game engine that uses visual event sheets instead of code.
• GDevelop (Freemium, beginner rating 5/5): Free, open source no code game engine with an AI assistant that helps build and fix your game.
• Godot (Free, beginner rating 5/5): Free, open source 2D and 3D game engine with its own easy scripting language, GDScript.
• RPG Maker (Paid, beginner rating 5/5): Engine for making classic JRPG style games with maps, events and built-in assets.
• Buildbox (Paid, beginner rating 4/5): Drag and drop no code game maker with a built-in AI Asset Generator for creating game assets from a prompt.

See every option on the Game Engines page.