An open-source sandbox tower defense game
Desktop/Android/HTML5/iOS Java game development framework
Godot is a powerful cross-platform game engine
A simple and easy-to-use library to enjoy videogames programming
RetroArch is a frontend for emulators, game engines and media players.
One framework for creating powerful cross-platform games
Open source HTML5 game framework that offers WebGL and Canvas
An iOS & tvOS Frontend for Multiple Emulators
A habit tracker app which treats your goals like a Role Playing Game
The source code to VVVVVV
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
The open-asset-importer-library repository
The AWS GameKit Plugin for Unreal
Everything you need to build and deploy scalable realtime 3D apps
Open source Cardboard SDK and samples
UI Automation Framework for Games and Apps
The game engine for everyone
New Godot bindings for Swift
A dead simple 2D game library for Go
Urho3D Game engine
An MVVM & Databinding framework that can use C# and Lua
Domination is a game that is a bit like the board game Risk
GemRB is a portable open-source implementation of the Infinity Engine
Orx: Portable Game Engine
Collection of utilities that interact with the Blooket API / website