Desktop/Android/HTML5/iOS Java game development framework
A simple and easy-to-use library to enjoy videogames programming
UCI chess engine
One framework for creating powerful cross-platform games
Urho3D Game engine
The source code to VVVVVV
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
New Godot bindings for Swift
Chess engines that support the UCI or XBoard protocol.
3D modeler, 3D game maker, 3D demo maker
Orx: Portable Game Engine
A promising chess program
Free Texas Holdem Poker game using HTML5, CSS and JavaScript
Examples of procedural geometry for Unity3D C#
KotCity, an open source city simulator
A Right Leaning Minecraft Adventure for Bedrock and PE players
2D Game Engine
Children's learning programming language Karel the Robot in 3D
Build Cross-platform Applications
online 4X browser game engine
3D .NET engine for Windows, Linux, Mac
The Snake Game written in JavaScript and CSS3!
2D physics engine for games