Godot is a powerful cross-platform game engine
Open-source Android/Desktop remake of Civ V
Voxel game-creation platform with easy modding and game creation
Multi-platform 2D and 3D game engine
An open-source sandbox tower defense game
RetroArch is a frontend for emulators, game engines and media players.
The source code to VVVVVV
Desktop/Android/HTML5/iOS Java game development framework
Open source voxel game engine with support for survival and crafting
A certain block game
A simple and easy-to-use library to enjoy videogames programming
All of the original 151 pokemon now have longer evolutions lines
Open source HTML5 game framework that offers WebGL and Canvas
Turn-based survival game set in a post-apocalyptic world.
Sandbox video game with a powerful physics engine
Xash3D FWGS engine
UCI chess engine
Stream switch games to your PC via USB or network
A cross-platform PSP emulator
An open source reimplementation of the Among Us Server
A Minecraft Launcher which is multi-functional, cross-platform
Open source cross-platform multi-purpose game toolkit
Home theater software and entertainment hub for digital media
One framework for creating powerful cross-platform games
A lightweight, modular and versatile mod loader for Minecraft Bedrock