An open-source sandbox tower defense game
Godot is a powerful cross-platform game engine
Stream switch games to your PC via USB or network
UCI chess engine
Sandbox video game with a powerful physics engine
Desktop/Android/HTML5/iOS Java game development framework
A cross-platform PSP emulator
Open source HTML5 game framework that offers WebGL and Canvas
Home theater software and entertainment hub for digital media
A simple and easy-to-use library to enjoy videogames programming
Open source voxel game engine with support for survival and crafting
Open source cross-platform multi-purpose game toolkit
One framework for creating powerful cross-platform games
Fast and lightweight JavaScript game engine built on WebGL and glTF
RetroArch is a frontend for emulators, game engines and media players.
The source code to VVVVVV
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Netcode that provides networking capabilities to GameObject workflows
Free, open source game engine online
A cross-platform, open-source, pure C game engine for mobile game
The game engine for everyone
An easy to use 2D HTML5 game engine written in TypeScript
Solar2D Game Engine main repository (ex Corona SDK)
A fresh & lightweight javascript game engine
Engo is an open-source 2D game engine written in Go