Solar2D Game Engine main repository (ex Corona SDK)
The flexible game engine
The source code to VVVVVV
Unity3D Client And C# Server Framework
Desktop/Android/HTML5/iOS Java game development framework
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
One framework for creating powerful cross-platform games
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Action-adventure game originally released in 2013
New Godot bindings for Swift
An updated version of the classic "Basic Computer Games" book
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Cross-platform game engine in Rust
Free game engine for development of desktop, mobile, and web games
Multi-platform 2D and 3D game engine
A simple and easy-to-use library to enjoy videogames programming
A shield for the Arduino Mega that can back up video game cartridges
Do virtual gear shifting (and more) in any rider app
High performance UI layout library in C
Gideros Release version
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Use the Delta Executor APK with Roblox on a Windows PC.
Orx: Portable Game Engine
Game engine supporting many 3D/2D formats and graphic effects
Examples of procedural geometry for Unity3D C#