Godot is a powerful cross-platform game engine
Open-source engine for Heroes of Might and Magic III
A cross-platform PSP emulator
An open-source sandbox tower defense game
Open source voxel game engine with support for survival and crafting
Desktop/Android/HTML5/iOS Java game development framework
A certain block game
Open-source Android/Desktop remake of Civ V
Stream switch games to your PC via USB or network
Open source HTML5 game framework that offers WebGL and Canvas
Voxel game-creation platform with easy modding and game creation
UCI chess engine
Sandbox video game with a powerful physics engine
Xash3D FWGS engine
Pokedex demonstrates modern Android development with Hilt
An open source reimplementation of the Among Us Server
One framework for creating powerful cross-platform games
A simple and easy-to-use library to enjoy videogames programming
Do virtual gear shifting (and more) in any rider app
RetroArch is a frontend for emulators, game engines and media players.
The game engine for everyone
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Netcode that provides networking capabilities to GameObject workflows
Home theater software and entertainment hub for digital media
Solar2D Game Engine main repository (ex Corona SDK)