A fresh & lightweight javascript game engine
Open source clone of the Age of Empires II engine
A re-implementation of Freelancer
Elegant PHP web application framework with expressive syntax
A high-performance, industry-standard 2D physics engine built on Box2D
Satisfying monster shooter
MCP server for interfacing with Godot game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
A social networking engine in PHP/MySQL
Sunfish: a Python Chess Engine in 111 lines of code
A fully featured full text search engine written in PHP
An extensible micro-framework for PHP
The ioquake3 community effort to continue supporting/developing id's
Multiplayer FPS game - Counter-Strike: Football
Dedicated Game Server Hosting and Scaling for Multiplayer Games
The most awesome validation engine ever created for PHP
Simple Beat Saber Mod Installer
Stride (formerly Xenko), a free and open-source cross-platform C# game
3D Procedural Game Engine Using OpenGL
Sandbox video game with a powerful physics engine
Provides a tight integration of Twig into Symfony full-stack framework
An elegant Go board and SGF editor for a more civilized age
Framework to facilitate communication in the Unity game engine
IsoCity: City building simulation game