Godot is a powerful cross-platform game engine
A cross-platform PSP emulator
Open-source engine for Heroes of Might and Magic III
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
Open source HTML5 game framework that offers WebGL and Canvas
A certain block game
Stream switch games to your PC via USB or network
A GUI based Nintendo Switch Bootloader
UCI chess engine
Xash3D FWGS engine
The source code to VVVVVV
Voxel game-creation platform with easy modding and game creation
Open-source Android/Desktop remake of Civ V
Sandbox video game with a powerful physics engine
The game engine for everyone
A simple and easy-to-use library to enjoy videogames programming
One framework for creating powerful cross-platform games
RetroArch is a frontend for emulators, game engines and media players.
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Do virtual gear shifting (and more) in any rider app
Pokedex demonstrates modern Android development with Hilt
Home theater software and entertainment hub for digital media
An open source reimplementation of the Among Us Server