Godot is a powerful cross-platform game engine
An open-source sandbox tower defense game
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
A certain block game
Xash3D FWGS engine
Sandbox video game with a powerful physics engine
Open source voxel game engine with support for survival and crafting
RetroArch is a frontend for emulators, game engines and media players.
Desktop/Android/HTML5/iOS Java game development framework
The game engine for everyone
UCI chess engine
Open source HTML5 game framework that offers WebGL and Canvas
Home theater software and entertainment hub for digital media
One framework for creating powerful cross-platform games
Open-source Android/Desktop remake of Civ V
Voxel game-creation platform with easy modding and game creation
Do virtual gear shifting (and more) in any rider app
An open source reimplementation of the Among Us Server
Netcode that provides networking capabilities to GameObject workflows
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
The source code to VVVVVV
Cocos simplifies game creation and distribution with Cocos Creator
A dead simple 2D game engine for Go