A 2D rigid body physics engine for the web
2D JavaScript Physics Engine
s&box is a modern game engine, built on Valve's Source 2
All Google Snake mods combined into one
JavaScript-based game engine designed to empower developers
Descent 3 by Outrage Entertainment
A game engine with an emphasis on real-time cutting-edge solutions
Fully async, multithreaded, predictive, open source, 3.01 reach
Godot game template and component-based framework
HTML5 Canvas Tower Building Game
Gideros Release version
realistic driving simulation + functions for 2D/3D graphics
Amazon Lumberyard is a free AAA game engine
A cross platform Lua based game engine
Flex roguelike
3D urban environment renderer : browser-app ; as well as a GTA clone
A Physics Theory for Unifying Classical, Quantum and Relativistic Phys
3D .NET engine for Windows, Linux, Mac
Multithreaded N-Point Gravity Simulation for PC and Android