Open Source Games
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Browse free open source Games and projects for Linux and ChromeOS below. Use the toggles on the left to filter open source Games by OS, license, language, programming language, and project status.
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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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AI-generated apps that pass security reviewRetool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
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Battle for Wesnoth
A strategy game with a high fantasy theme
The Battle for Wesnoth is a Free, turn-based tactical strategy game with a high fantasy theme, featuring both single-player, and online/hotseat multiplayer combat. Fight a desperate battle to reclaim the throne of Wesnoth, or take hand in any number of other adventures. -
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LOTRO Companion
A companion for your LOTRO activities
LOTRO Companion is a desktop application. It manages characters of the Lord of the Rings Online (LOTRO) MMORPG. It has 3 main goals: - track the status of one or several characters: current gear, deeds, quests, collections... - simulate gear/virtues, compute result stats and analyze stats contributions - lore database: quests, items, deeds, mounts, pets... Character data is imported from the game client running locally. See https://discord.gg/t2J4GDq See https://www.facebook.com/lotrocompanion/ -
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DeSmuME
DeSmuME is a Nintendo DS emulator
DeSmuME is the most seasoned open source Nintendo DS emulator. It sports tools designed for hackers, speedrunners, youtubers, and casual gamers. Homebrew programs are supported and can even be debugged through GDB. The Windows and OSX versions are both relatively feature rich, and there is a small universe of forks and mods that add even more features for casual gaming. DeSmuME is the origin of RetroArch and OpenEmu Nintendo DS support and is used by several mobile Nintendo DS emulators, with the notable exception of DraStic. DeSmuME's source code is now hosted at https://github.com/TASVideos/desmume/ win32 autobuilds @ https://ci.appveyor.com/project/zeromus/desmume/build/artifacts -
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Prodigy Hack
One of the best Prodigy hacks
Prodigy Hack is a browser-based or script-driven modification tool designed to alter gameplay behavior in the Prodigy Math Game by manipulating client-side logic and data handling. It allows users to modify in-game variables such as player stats, currency, progression, and other gameplay elements through injected scripts or browser console commands. The project demonstrates how web-based educational games can be influenced through client-side execution, exposing limitations in input validation and state management. It is typically implemented as a collection of scripts that can be executed in real time while the game is running, enabling immediate changes without modifying server infrastructure. The tool is often used for experimentation, reverse engineering, or demonstrating vulnerabilities in browser-based applications. It also reflects broader concepts in web security, particularly the importance of server-side validation and secure state management. -
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Universal Pokemon Randomizer ZX
Public repository of source code for the Universal Pokemon Randomizer
Universal Pokemon Randomizer ZX is an open-source tool that allows players to modify and randomize various aspects of Pokémon games across multiple generations, creating unique and unpredictable gameplay experiences. It supports a wide range of ROMs and provides a user-friendly interface for customizing game elements such as Pokémon encounters, abilities, stats, movesets, and item distributions. The tool is designed to maintain game stability while introducing variability, ensuring that randomized versions remain playable and balanced. It also includes advanced options that allow users to control the level of randomness, from subtle changes to complete overhauls of game mechanics. By enabling customization, the project extends the replay value of classic Pokémon titles and encourages experimentation with different strategies. It is widely used by the community for challenge runs, content creation, and personalized gameplay experiences. -
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Klavaro Touch Typing Tutor
A very efficient tutor.
A touch typing tutor very flexible, supporting customizable keyboard layouts. You can edit and save new or unknown keyboard layouts, as the basic course was designed to not depend on specific ones. Also, there are some charts about the learning process. -
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Pokémon Showdown is a Pokémon battle simulator. Play Pokémon battles online! Play with randomly generated teams, or build your own! Fully animated!
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TV-Browser - A free EPG
Ad free open source TV guide for more than 1000 channels.
TV-Browser is a java-based TV guide which can be easily extended with lots of plugins. It is designed to look like your paper TV guide. -
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Robocode
Robocode is a programming tank game for Java
Robocode is a programming game, where the goal is to develop a robot battle tank to battle against other tanks with Java. The robot battles are running in real-time and on-screen. The motto of Robocode is: Build the best, destroy the rest! -
Enterprise-grade ITSM, for every businessFreshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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Steam Achievement Manager
A manager for game achievements in Steam
Steam Achievement Manager is a lightweight, portable desktop application designed to give users direct control over achievements and statistics associated with their Steam games. It works by interfacing with the Steam client and APIs, allowing users to unlock, relock, or modify achievements without needing to launch the actual game. The tool provides a simple interface where users can browse their game library, select a title, and view all available achievements in a structured format. Because it operates independently of the game itself, it is often used to recover bugged achievements, reset progress, or manage completion status across different titles. The application requires Steam to be running and the user to be logged in, ensuring that changes are applied directly to the account’s achievement data. Its portability means it can be run without installation, making it convenient for quick use across systems. -
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3D game engine (more powerful redesign of the Cube engine) and FPS game
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ChessX
Chess Database and PGN viewer
A free and open source chess database application for Linux, Mac OS X and Windows. -
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PySolFC (PySol Fan Club edition) is an extended version of PySol (a solitaire card games collection).
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Script Hook V .NET (SHVDN)
An ASI plugin for Grand Theft Auto V
ScriptHookVDotNet is an open-source scripting framework for Grand Theft Auto V that enables developers to create and run custom scripts using languages such as C# and VB within the game environment. It acts as a bridge between the game engine and managed code, allowing modders to interact with game systems through a structured and object-oriented API. Built on top of the original Script Hook V, it simplifies the scripting process by providing higher-level abstractions and reducing the need to work directly with low-level native functions. The framework supports real-time script execution and reloading, enabling developers to test and iterate on their modifications without restarting the game. It also includes an in-game console and debugging capabilities, making development more efficient and interactive. ScriptHookVDotNet is widely used in the GTA V modding community to create custom gameplay mechanics, tools, and enhancements. -
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NVIDIA Profile Inspector
Modify game profiles inside the internal driver database
NVIDIA Profile Inspector is a specialized utility that allows users to view and modify hidden graphics driver settings within NVIDIA’s internal profile database, providing deeper control than the official NVIDIA Control Panel. It exposes advanced and undocumented configuration options that can influence rendering behavior, performance optimization, and compatibility for specific games. Users can create, edit, and assign profiles for individual applications, enabling fine-grained tuning of GPU behavior beyond standard settings. The tool is particularly popular among enthusiasts who want to optimize performance, troubleshoot graphical issues, or enable experimental features such as custom DLSS configurations. It provides a detailed interface for browsing and editing driver parameters, making it possible to adjust settings that are otherwise inaccessible. -
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FreeCol
Colonize the New World.
FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation. You start with only a few colonists defying the stormy seas in their search for new land. Will you guide them on the Colonization of a New World? The last stable version release can be found here: https://sourceforge.net/projects/freecol/files/latest/download The latest test pre-release of the next version can be found here: https://github.com/FreeCol/freecol/releases If you want to contribute to Freecol please visit our welcome information thread to see how here: https://sourceforge.net/p/freecol/discussion/719661/thread/2d0063a3bc/ -
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YimMenu
YimMenu, a GTA V menu protecting against a wide ranges
YimMenu is an open-source modification menu for Grand Theft Auto V designed to enhance gameplay while providing protection against common crashes and disruptions encountered in online sessions. It operates as an injected module that interacts directly with the game engine, allowing users to access a wide range of in-game controls and customization options through an overlay interface. One of its primary goals is stability, offering safeguards against malicious or unstable interactions that can occur in multiplayer environments. The project is written primarily in C++ and follows a modular structure, enabling contributors to extend or refine its functionality over time. It includes both quality-of-life improvements and advanced features that modify gameplay behavior, making it popular among users seeking more control over their in-game experience. -
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Welcome to GoMule! This is a muling application for the computer game "Diablo 2" which allows items to be stored and transferred between Single Player characters outside of the game.
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NitroType Cheat v2
An easy-to-use, working NitroType hack for typing at insane speeds!
NitroType Cheat v2 is a browser-based or script-driven tool designed to automate typing performance in the Nitro Type online racing game by simulating extremely high typing speeds and accuracy. It works by intercepting or generating input events that mimic rapid and precise keystrokes, allowing users to achieve unrealistically high words-per-minute scores. The project is built for ease of use, often requiring minimal setup or configuration to begin automating gameplay. It demonstrates how client-side input manipulation can influence outcomes in browser-based games that rely on user input validation. While it provides a clear advantage in gameplay, it also highlights potential vulnerabilities in systems that do not enforce strict server-side validation of user actions. The tool is primarily intended for experimentation or demonstration rather than legitimate competitive use. -
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S&box
s&box is a modern game engine, built on Valve's Source 2
S&box is the open-source codebase for s&box, a next-generation sandbox game development platform from the creators of Garry’s Mod that blends modding freedom with modern tooling and performance. Built on a cutting-edge game engine, s&box allows creators to prototype, build, and share interactive game modes, tools, and environments using C#, JavaScript, and visual scripting, promoting accessible content creation for developers of varying skill levels. The platform emphasizes multiplayer and community experiences, giving creators direct control over networking, physics, rendering, and audio without needing to build those systems from scratch. With real-time recompilation and fast iteration loops, developers can see changes instantly, speeding up the creative process dramatically compared to traditional engines. The sbox ecosystem fosters collaboration, sharing, and extension through packages and community content, enabling a vibrant marketplace of user-created mods and assets. -
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Data Crow
The ultimate cataloguer
Data Crow allows you to use the standard movie & video (divx, xvid, DVD, Blu-ray, etc), book (and eBooks), images, board games, comic books, games & software, music (mp3 and other music files) cataloguing modules. Besides these modules, which you can change to fit your requirements, you can create new modules (want to catalogue your stamps, equipment, or anything else?). The GUI is skinnable. Reporting (using JasperReports and their community edition JasperSoft Developer Studio ), loan administration, item importing & exporting, backup & restore and many other optional features are waiting for you. -
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Retrogaming BIOS
Complete BIOS & firmware collection for retrogaming emulators
Retrogaming BIOS is a repository that provides a structured and curated collection of BIOS files required for running retro gaming emulators across multiple platforms. It is designed to simplify the often confusing process of obtaining and organizing BIOS files by presenting them in a consistent and ready-to-use format. The project focuses on compatibility with popular emulation environments, ensuring that the included BIOS files meet the requirements for various classic consoles and arcade systems. It also emphasizes organization, grouping BIOS files by system and providing a layout that can be easily integrated into emulator directories. By consolidating these essential files into a single resource, retrobios helps reduce setup errors and improves the reliability of emulation systems. The repository is particularly useful for users building retro gaming setups or emulation stations who want a streamlined configuration process. -
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Monke Mod Manager
Mod Installer for the PC version of Gorilla Tag
MonkeModManager is a mod management tool created for games within the Gorilla Tag ecosystem, providing users with an easy way to install, update, and manage mods without manual file handling. The application simplifies the modding process by offering a graphical interface where users can browse available mods and apply them with minimal effort. It automatically handles file placement, dependency management, and compatibility checks, reducing the risk of user error. The manager also supports updating mods, ensuring that users always have access to the latest versions without needing to track changes manually. Designed with accessibility in mind, it allows even non-technical users to customize their gameplay experience. It also includes safety mechanisms to help prevent issues such as corrupted installations or incompatible mod combinations. -
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SuperTuxKart is a kart racing game featuring Tux and friends. It is a fun-racer game, focusing on fun and ease of play.
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GemRB Game Engine
GemRB is a portable open-source implementation of the Infinity Engine
GemRB (Game engine made with pre-Rendered Background) is a portable open-source implementation of Bioware's Infinity Engine. It was written to support pseudo-3D role playing games based on the Dungeons & Dragons ruleset (Baldur's Gate and Icewind Dale series, Planescape: Torment). It should run on GNU/Linux, Microsoft Windows, OS X, possibly other UNIX derivatives and more. It is licensed under the GPL.
