Xash3D FWGS engine
Godot is a powerful cross-platform game engine
An open-source sandbox tower defense game
A cross-platform PSP emulator
A certain block game
Stream switch games to your PC via USB or network
A simple and easy-to-use library to enjoy videogames programming
UCI chess engine
Open source voxel game engine with support for survival and crafting
Open-source Android/Desktop remake of Civ V
RetroArch is a frontend for emulators, game engines and media players.
Voxel game-creation platform with easy modding and game creation
Sandbox video game with a powerful physics engine
Desktop/Android/HTML5/iOS Java game development framework
The game engine for everyone
Do virtual gear shifting (and more) in any rider app
Open source HTML5 game framework that offers WebGL and Canvas
One framework for creating powerful cross-platform games
Home theater software and entertainment hub for digital media
Netcode that provides networking capabilities to GameObject workflows
The source code to VVVVVV
Multi-platform 2D and 3D game engine
Pokedex demonstrates modern Android development with Hilt
Cocos simplifies game creation and distribution with Cocos Creator
scene-oriented, flexible 3D engine (C++, Python, C#, Java)