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