Godot is a powerful cross-platform game engine
Xash3D FWGS engine
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
Open source HTML5 game framework that offers WebGL and Canvas
Stream switch games to your PC via USB or network
Voxel game-creation platform with easy modding and game creation
UCI chess engine
Pokedex demonstrates modern Android development with Hilt
Sandbox video game with a powerful physics engine
An open source reimplementation of the Among Us Server
One framework for creating powerful cross-platform games
The source code to VVVVVV
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
Cross-platform game engine in Rust