Xash3D FWGS engine
Moonlight port for Nintendo Switch
A cross-platform PSP emulator
Do virtual gear shifting (and more) in any rider app
One framework for creating powerful cross-platform games
Fast and lightweight JavaScript game engine built on WebGL and glTF
An iOS & tvOS Frontend for Multiple Emulators
The HTML5 Creation Engine
Open source clone of the Age of Empires II engine
The Tiny JavaScript Game Engine That Can!
An easy to use 2D HTML5 game engine written in TypeScript
A dead simple 2D game engine for Go
Open source library for creative expression on the web, desktop, etc.
SUPORTS: Hindi, English, Nepali, Tamil, Punjabi, Urdu,Bengali,Marathi.
... the open-source glide computer
GemRB is a portable open-source implementation of the Infinity Engine
Powering EA's next generation of PC & Mac gaming
javascript chess games viewer for websites, blogs and live broadcasts
Orx: Data-Driven Game Engine
A very efficient tutor.
Free Texas Holdem Poker game using HTML5, CSS and JavaScript
Javascript library for making tile based games
A cross platform Lua based game engine
Character animation system for games and simulations.