Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
Open source voxel game engine with support for survival and crafting
Open source HTML5 game framework that offers WebGL and Canvas
An open-source sandbox tower defense game
The game engine for everyone
Desktop/Android/HTML5/iOS Java game development framework
Open source cross-platform multi-purpose game toolkit
Voxel game-creation platform with easy modding and game creation
RetroArch is a frontend for emulators, game engines and media players.
A certain block game
A cross-platform PSP emulator
Sandbox video game with a powerful physics engine
Xash3D FWGS engine
One framework for creating powerful cross-platform games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Satisfying monster shooter
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cocos simplifies game creation and distribution with Cocos Creator
Cross-platform game engine in Rust
New Godot bindings for Swift
Open-source Android/Desktop remake of Civ V
A dead simple 2D game engine for Go
Stream switch games to your PC via USB or network
A simple and easy-to-use library to enjoy videogames programming