Games GitHub Repositories (2026) · Open Source Tools

Plugins to make or improve widescreen resolutions support in games, add more features and fix bugs.

GUI application to analyze game files

Interstellar is a web proxy service offering blazing-fast speeds, a wide variety of games, and has served over 17 million users since 2022

Cross-Platform Level Editor

A Symbian OS/N-Gage emulator

SuperTux source code

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

This project aims to create an easy to use, extendable and customizable server for a MMORPG called "MU Online".

LAN-first Steam emulator: Steamworks API client emulation + server-side Game Coordinator (Dota 2 lobbies/parties/match stats), for full offline multiplayer without Steam or internet connection

Ambermoon rewrite in C#

An open source soccer/football manager game

Chocolate Doom is a Doom source port that is minimalist and historically accurate.

JFXChess - Chess Program

A simple, lightweight, flexible, embeddable, portable and multi-paradigm dynamic programming language for developing applications, tools, and domain-specific languages

:video_game: :pencil: A list of Game Development resources to make magic happen.

Simple and Fast Multimedia Library

Run Windows software and games on Linux

UI for minecraft bedrock linux

A collection of scripts for Agent. Feel free to submit a pull request to add your script.

Actively maintained open-source game remakes.