The source code to VVVVVV
Gideros Release version
websocket and http client and server library, with TLS support
An MVVM & Databinding framework that can use C# and Lua
The open-asset-importer-library repository
New Godot bindings for Swift
Kotlin extensions for the libGDX game framework
Urho3D Game engine
A dead simple 2D game library for Go
LÖVE is an awesome 2D game framework for Lua
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Embeddable unity game engine view for Flutter
An open source C++ game engine
A cross-platform, open-source, pure C game engine for mobile game
The AWS GameKit Plugin for Unreal
Engo is an open-source 2D game engine written in Go
Samsung Game Services (Game Booster + Launcher + Optimizing Service).
Archive of Games & Applictions
TUI games designed as a classroom aid for teaching localization.
It's a game that offers six different 2d games.
Domination is a game that is a bit like the board game Risk
GemRB is a portable open-source implementation of the Infinity Engine
Open source reimplementation of GTA San Andreas game engine in Unity
Companion app for Fallout: The Board Game