Enables Roblox developers to use professional software tools
A simple and easy-to-use library to enjoy videogames programming
Unity3D Client And C# Server Framework
One framework for creating powerful cross-platform games
A game framework written with osu! in mind.
Desktop/Android/HTML5/iOS Java game development framework
Open Source MMORPG Framework
Real Time Strategy game engine supporting early Westwood classics
Open source library for creative expression on the web, desktop, etc.
lua dev plugin for unreal engine 4 or 5
Gideros Release version
Arianne is an engine to develop multiplayer online games like Stendhal
Old-school 2D game engine
Orx: Portable Game Engine
INSTEAD - Simple Text Adventure Interpreter.
Examples of procedural geometry for Unity3D C#
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Sdk library for creating 2048 game in c#.
2D Game Engine