LittleJS is a super lightweight JavaScript game engine with a fast hybrid rendering system. It provides everything necessary to make amazing games, including rendering, physics, particles, sound effects, music, input handling, and debug tools. LittleJS is designed to be extremely small yet powerful enough for a variety of applications, from game jams to commercial releases. The code is very well documented with a variety of examples to get you started. Choo-Choo! 🚂
Hello World - Clean project with only a few things to get you started
Puzzle Game - Match 3 puzzle game with HD rendering and high score tracking
Platformer - Platformer/shooter with procedural generation and destruction
Breakout - Breakout game with mouse/touch or gamepad control
Stress Test - Max sprite/object test and music system demo
- Very small footprint with no dependencies
- Can render 10,000+ objects at 60fps, often many times more
- Object oriented system with base class engine object
- Fast 2D physics and collision handling for axis aligned boxes
- Positional audio effects with zzfx and music with zzfxm, mp3s, or wavs
- Input processing system with keyboard, mouse, gamepad, and touch support
- Engine helper functions and classes like Vector2, Color, and Timer
- Tile layer cached rendering and collision system for level data
- Particle effects system (particle editor/designer in progress)
- Medal system tracks and displays achievements with Newgrounds and OS13k integration
- Several easy to understand example projects you can build on
- All example projects are compatible with mobile devices
- Debug tools and debug rendering system
- Full documentation automatically generated from the source code block tags with JSDoc
- Build system automatically combines everything, minifies, and removes unused code
- For size coding competitions like js13kGames, starter project builds to a 7KB zip
- Easily build a Windows executable with electron for distribution on platforms like Steam
- Open Source with the MIT license so it can be used to make commercial games
- Space Huggers - A more developed version of the platformer example
- Send me your games!
