erincatto / box2d

Box2D is a 2D physics engine for games

piqnt / planck.js

2D JavaScript Physics Engine

KilledByAPixel / LittleJS

Tiny fast 2D/3D HTML5 game engine with many features and no dependencies.

sail-sg / envpool

C++-based high-performance parallel environment execution engine (vectorized env) for general RL environments.