Godot is a powerful cross-platform game engine
Open source cross-platform multi-purpose game toolkit
Xash3D FWGS engine
A cross-platform PSP emulator
Voxel game-creation platform with easy modding and game creation
Cocos simplifies game creation and distribution with Cocos Creator
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
One framework for creating powerful cross-platform games
Cross-platform game engine in Rust
Desktop/Android/HTML5/iOS Java game development framework
Stream switch games to your PC via USB or network
Open-source Android/Desktop remake of Civ V
RetroArch is a frontend for emulators, game engines and media players.
Open source library for creative expression on the web, desktop, etc.
A Minecraft Java Edition Launcher for Android and iOS
The game engine for everyone
A certain block game
Do virtual gear shifting (and more) in any rider app
A dead simple 2D game engine for Go
A simple and easy-to-use library to enjoy videogames programming
A habit tracker app which treats your goals like a Role Playing Game
Action-adventure game originally released in 2013
Multi-platform 2D and 3D game engine
3D Engine c++