Open-source Android/Desktop remake of Civ V
Godot is a powerful cross-platform game engine
Voxel game-creation platform with easy modding and game creation
RetroArch is a frontend for emulators, game engines and media players.
Multi-platform 2D and 3D game engine
Desktop/Android/HTML5/iOS Java game development framework
Open source voxel game engine with support for survival and crafting
Stream switch games to your PC via USB or network
Open source HTML5 game framework that offers WebGL and Canvas
A cross-platform PSP emulator
Xash3D FWGS engine
A simple and easy-to-use library to enjoy videogames programming
Sandbox video game with a powerful physics engine
UCI chess engine
An open source reimplementation of the Among Us Server
A Minecraft Launcher which is multi-functional, cross-platform
One framework for creating powerful cross-platform games
Home theater software and entertainment hub for digital media
Repository for the Goonstation branch of SS13
The game engine for everyone
Do virtual gear shifting (and more) in any rider app
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Pokedex demonstrates modern Android development with Hilt
Cocos simplifies game creation and distribution with Cocos Creator
A dead simple 2D game engine for Go