Solar2D Game Engine main repository (ex Corona SDK)
FPS Unlocker for Roblox
An open-source sandbox tower defense game
Stream switch games to your PC via USB or network
Sandbox video game with a powerful physics engine
Desktop/Android/HTML5/iOS Java game development framework
Godot is a powerful cross-platform game engine
A cross-platform PSP emulator
Open source voxel game engine with support for survival and crafting
A simple and easy-to-use library to enjoy videogames programming
Open source cross-platform multi-purpose game toolkit
One framework for creating powerful cross-platform games
Open source HTML5 game framework that offers WebGL and Canvas
Java/JavaFX/Kotlin Game Library (Engine)
The source code to VVVVVV
RetroArch is a frontend for emulators, game engines and media players.
The game engine for everyone
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A cross-platform, open-source, pure C game engine for mobile game
Open-source engine for Heroes of Might and Magic III
New Godot bindings for Swift
Urho3D Game engine
Kotlin extensions for the libGDX game framework
A dead simple 2D game library for Go