2D physics simulation with circle collision detection using C++.
Pymunk is a easy-to-use pythonic 2d physics library
2D JavaScript Physics Engine
A high-performance, industry-standard 2D physics engine built on Box2D
Phaser is a free and fast 2D game framework for making HTML5 games
Cocos simplifies game creation and distribution with Cocos Creator
Physics Simulation Made Easy" (Fully Integrated FEA, FEniCS
Easy to use Python library for creating 2D arcade games
A completely free, open-source, 2D game engine
Cross-platform 2D and 3D game engine with modular architecture
An easy to use 2D HTML5 game engine written in TypeScript
The Tiny JavaScript Game Engine That Can!
2D GPU-accelerated framework for ActionScript developers
React component for 2D, 3D, VR and AR force directed graphs
Multi-platform 2D and 3D game engine
Official binding of SFML for .Net languages
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Model-rocketry aerodynamics and trajectory simulation software
Stride (formerly Xenko), a free and open-source cross-platform C# game
Fast and lightweight JavaScript game engine built on WebGL and glTF
Fast and simple fluid simulator in Julia
A 2D rigid body physics engine for the web
Gideros Release version
Ct.js is a desktop game engine that makes learning programming fun
2D & 3D TeX-Aware Vector Graphics Language