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
A 2D rigid body physics engine for the web
Cocos simplifies game creation and distribution with Cocos Creator
Phaser is a free and fast 2D game framework for making HTML5 games
Cross-platform 2D and 3D game engine with modular architecture
Easy to use Python library for creating 2D arcade games
Physics Simulation Made Easy" (Fully Integrated FEA, FEniCS
A completely free, open-source, 2D game engine
The Tiny JavaScript Game Engine That Can!
2D GPU-accelerated framework for ActionScript developers
Multi-platform 2D and 3D game engine
An easy to use 2D HTML5 game engine written in TypeScript
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
JavaScript-based game engine designed to empower developers
Official binding of SFML for .Net languages
Fast and simple fluid simulator in Julia
Stride (formerly Xenko), a free and open-source cross-platform C# game
Model-rocketry aerodynamics and trajectory simulation software
Fast and lightweight JavaScript game engine built on WebGL and glTF
Gideros Release version
Ct.js is a desktop game engine that makes learning programming fun
Scanning probe microscopy data visualisation and analysis