Godot is a powerful cross-platform game engine
A suite of 300+ minimalist puzzle games built with Flutter.
UCI chess engine
A cross-platform PSP emulator
Stream switch games to your PC via USB or network
A certain block game
Voxel game-creation platform with easy modding and game creation
Xash3D FWGS engine
Open source voxel game engine with support for survival and crafting
The game engine for everyone
Turn-based survival game set in a post-apocalyptic world.
An open-source sandbox tower defense game
A simple and easy-to-use library to enjoy videogames programming
Sandbox video game with a powerful physics engine
One framework for creating powerful cross-platform games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Desktop/Android/HTML5/iOS Java game development framework
RetroArch is a frontend for emulators, game engines and media players.
Open-source Android/Desktop remake of Civ V
Open source HTML5 game framework that offers WebGL and Canvas
Do virtual gear shifting (and more) in any rider app
An open source reimplementation of the Among Us Server
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cocos simplifies game creation and distribution with Cocos Creator
A dead simple 2D game engine for Go