Godot is a powerful cross-platform game engine
Open source voxel game engine with support for survival and crafting
A Minecraft Java Edition Launcher for Android and iOS
RetroArch is a frontend for emulators, game engines and media players.
Open source HTML5 game framework that offers WebGL and Canvas
Open-source Android/Desktop remake of Civ V
One framework for creating powerful cross-platform games
Xash3D FWGS engine
Stream switch games to your PC via USB or network
A cross-platform PSP emulator
A simple and easy-to-use library to enjoy videogames programming
The source code to VVVVVV
Desktop/Android/HTML5/iOS Java game development framework
Home theater software and entertainment hub for digital media
UCI chess engine
Netcode that provides networking capabilities to GameObject workflows
Sandbox video game with a powerful physics engine
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
The game engine for everyone
A dead simple 2D game engine for Go
An open source reimplementation of the Among Us Server
A habit tracker app which treats your goals like a Role Playing Game
Do virtual gear shifting (and more) in any rider app
Cocos simplifies game creation and distribution with Cocos Creator
Free, cross-platform 2D game engine powered by Haxe and OpenFL