Native Android app for Habitica
Solar2D Game Engine main repository (ex Corona SDK)
Desktop/Android/HTML5/iOS Java game development framework
Collection of utilities that interact with the Blooket API / website
The source code to VVVVVV
A simple and easy-to-use library to enjoy videogames programming
One framework for creating powerful cross-platform games
A beautiful, easy-to-use and ad-free comic and game client
Memory Efficient Serialization Library
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A cross-platform, open-source, pure C game engine for mobile game
An open source C++ game engine
Godot Kotlin JVM Module
Urho3D Game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
websocket and http client and server library, with TLS support
An MVVM & Databinding framework that can use C# and Lua
Engo is an open-source 2D game engine written in Go
Open source Cardboard SDK and samples
KotCity, an open source city simulator
Game engine supporting many 3D/2D formats and graphic effects
Super Mario Bros written in Java
3D Learn to Read Music Game in Python
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Solitaire Card Games for Android