Open Source Games
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Browse free open source Games and projects 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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Gen AI apps are built with MongoDB AtlasMongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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Yeastar: Business Phone System and Unified CommunicationsUser-friendly, optimized, and scalable, the Yeastar P-Series Phone System redefines business connectivity by bringing together calling, meetings, omnichannel messaging, and integrations in one simple platform—removing the limitations of distance, platforms, and systems.
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Warzone 2100
RTS game with the theme of Strategy by Design
You command the forces of “The Project” in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers a full campaign with optional (but strongly recommended!), videos, battle against four factions, multi-player and single-player skirmish modes, and an extensive tech tree and a full unit designer. Multi-player is also cross-platform, battle your friends with any OS, Windows, Linux or Mac, it all works seamlessly! We also offer 100% portable Windows builds, take the game and install it anywhere! Our source repo is now at https://github.com/Warzone2100/warzone2100 Warzone 2100 works on both 32 & 64 bit Windows 7 or higher, 32 or 64 bit Linux, & macOS 10.14+.">
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simutrans
A free transportation simulator game
Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations. -
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Stellarium
A planetarium software that shows a 3D simulation of the night sky
Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc. -
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XOutput
DirectInput to XInput wrapper
If you have an older or not supported game controller (gamepad, wheel, joystick, etc.), but XBox 360 controllers are supported you can use this software and enjoy gaming with your controller. XOutput is a software that can convert DirectInput into XInput. DirectInput data is read and sent to a virtual XInput (Xbox 360 Controller) device. XInput is the new standard game controller input on windows, and DirectInput can no longer be used with Universal Windows Platform software, but with this tool you can use DirectInput devices as well. -
Teradata VantageCloud Enterprise is a data analytics platform for performing advanced analytics on AWS, Azure, and Google Cloud.VantageCloud is the complete cloud analytics and data platform, delivering harmonized data and Trusted AI for all. Built for performance, flexibility, and openness, VantageCloud enables organizations to unify diverse data sources, run complex analytics, and deploy AI models—all within a single, scalable platform.
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USBLoaderGX
Game backup loader for Wii and vWii
USBLoaderGX is a GUI for Waninkoko's USB Loader, based on libwiigui. It allows listing and launching Wii games, Gamecube games and homebrew on Wii and WiiU vWii mode. Its interface, based on the official theme from Nintendo Wii, is easy to use and perfect for kids and all the family. ATTTENTION, THIS PROJECT IS NOT MAINTAINED HERE ANYMORE. USBLoaderGX last version on sourceforge is 1272 (last stable 1271). Any bug reports or requests posted here will be ignored. This project has been copied to github, and any developers can now update and release new versions. Newer versions are available, maintained by other developers. If you need help, want to ask any questions or want to download newer versions (1280+), then you can find a project's branch maintained by Blackb0x here: https://gbatemp.net https://gbatemp.net/posts/8856063 https://github.com/wiidev/usbloadergx Thank you for your support all these years. Cyan -
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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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"Tux, of Math Command" is a math drill game starring Tux, the Linux Penguin. Lessons are included from simple number typing through addition, subtraction, multiplication, and division of positive and negative numbers. It is intended for kids ~4-10.
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PokerTH is a poker game written in C++/Qt. You can play the popular Texas Hold'em poker variant against up to nine computer-opponents or play internet games with people all over the world. This poker engine is available for Linux, Windows and Mac
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Domination (Risk Board Game)
Domination is a game that is a bit like the board game Risk
Domination is a game that is a bit like the well known board game of Risk or RisiKo. It has many game options and includes many maps. Written in java it includes a map editor, a simple map format, multiplayer network play, single player, hotseat, 5 user interfaces and many more features, it works in all OSs that run java 1.5 or higher, iOS and Android. -
Dominate AI Search ResultsAthenaHQ is a cutting-edge platform for Generative Engine Optimization (GEO), designed to help brands optimize their visibility and performance across AI-driven search platforms like ChatGPT, Google AI, and more.
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UltraStar Deluxe
A free sing-along karaoke game for your PC
Karaoke sing-along game for PC which is similar to Playstation® Singstar™. It allows up to six players to sing along with music using microphones in order to score points, depending on the pitch of the voice and the rhythm of singing. -
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GCompris : I got IT
Educational Software for children aged 2 to 10.
GCompris is a high quality educational software suite comprising of numerous activities for children aged 2 to 10. Some of the activities are game oriented, but nonetheless still educational. -
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PCSX2
PlayStation 2 emulator for Windows and Linux
PCSX2 is a PlayStation 2 emulator for Windows and Linux, started by the same team that brought you PCSX (a Sony PlayStation 1 emulator). Currently, it can emulate thousands of games at full speed -
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Angry Birds Open-Level Editor
Create your own Angry Birds levels with Open-Level Editor!
Create, edit and share your own levels with Angry Birds Open-Level Editor! Select any items and characters as you want and add it to your level screen. Then export it to a file and play it in the game or share it to your friends! This software is... free, easy and offline!">
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YSoccer
Retro style, multi-platform soccer game
A new soccer game which intends to give a continuation to the funny and easy playable series of Sensible World of Soccer (aka SWOS). The source code is available under the GNU General Public License. -
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Comix is a user-friendly, customizable image viewer. It is specifically designed to handle comic books, but also serves as a generic viewer. It reads images in ZIP, RAR or tar archives (also gzip or bzip2 compressed) as well as plain image files.
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IMPORTANT: this project has been replaced by YSoccer: https://sourceforge.net/projects/ysoccer/ Yoda Soccer is a new soccer game which intends to give a continuation to the funny and easy playable series of Sensible World of Soccer (aka SWOS). Yoda soccer is written in BlitzMax. The source code is available under the GNU General Public License.
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pySioGame / eduActiv8
Educational Activities for Kids
The pySioGame project has been renamed to eduActiv8 - please visit the new project page at https://sourceforge.net/projects/eduactiv8/ More info available at http://www.eduactiv8.org Packages for multiple Linux distributions of eduActiv8 are available from: https://software.opensuse.org//download.html?project=home%3Aimiolek-i&package=eduactiv8 -
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Nimzo-3d-Chess-GUI
A free Chess program for Windows with a large set of features
The Nimzo_3d GUI is a chess program for Windows 7 - 11 It is an enhanced version of the Tarrasch Chess GUI written by Mr Bill Forster, with many additional features. It has a simple, easy to use interface, so it is ideal for novice players or inexperienced computer users. It also has more advanced features for expert users. So if you just want a casual blitz game against the computer, or to automatically analyse one of the famous games from chess history, it can perform these tasks and many more. It has a choice of a classical 2d screen view or realistic 3d graphics powered by DirectX Anyone who wants to add new features to the program should download the file < Nimzo_3d_v4_build.7z> from the < Files > < Build> section. This package contains Visual Studio project files and C++ source code files. Alternative Nimzo 3d Chess GUI website with other downloads, including 32-bit versions - https://nimzo-3d-chess-gui.infinityfreeapp.com -
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ChaosEsqueAnthology
A free 3d game for PC that does not limit the player. Fight,Build,Gain
(NOTE: Make sure to download Volume2 aswell!: http://sourceforge.net/p/chaosesqueanthologyvolume2/ ) 200+ weapons. Build-able enter-able buildings (Like an FPS RPG but with interiors) (Multi-tool/ Utili-tool). City generation (all buildings enterable). A 2 iso (6GB) exploration of what QuakeC can do. Over 100 maps included, along with map editor and sourcecode. Fully free and opensource: code and media. A modification of Xonotic which included extended weapons, maps, vehicles, buildable buildings, mounted weapons, spell casting, monsters, player characters, textures, and game mode (such as colorwar (think liquidwar)) To pick up items press F. To enter vehicles/mountedguns press F. To reload press R. To walk press W A S D (direction) To jump press SpaceBar Dev Enviorment (git repos) in tar.gz: https://sourceforge.net/projects/chaosesquedevenv/ DVD Case and DVD Labels and Extras (ISO signing info): https://sourceforge.net/projects/chaoseesquesupplemental/ -
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Darkbot
The IRC's Talking Robot
[ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat. -
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Sudokuki - essential sudoku game
Sudokuki is a free graphical SUDOKU game
Sudokuki is a free graphical SUDOKU game: Sudokuki solves even the most difficult sudoku grids for you - Generate a sudoku - Play sudoku - Print a sudoku... Available in 17 languages. Just download and play! You can also play with arabic or chinese numbers. Sudokuki is Free Software developed in Java. Have fun! -
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QMC2 is a Qt based multi-platform GUI front end for MAME NOTE: A new version is hosted and developed at https://github.com/qmc2/qmc2-mame-fe
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Magic Images
Create worksheets for preschoolers.
An OpenOffice / LibreOffice Calc extension with the single purpose to easily create pictures with hidden images that appear to the children while he/she draw the appropriate regions. -
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Puzzle Patch
Entertaining and interactive game of solving 50+ puzzle pieces
Welcome to Puzzle Patch, the ultimate desktop puzzle-solving experience that promises fun and engaging entertainment for players of all ages including kids! Kids will love to play this game as it helps in their cognitive development, spatial awareness as they arrange these scrambled puzzle pieces into 1 perfect picture. Visual recognition will be improved as kids try to identify shapes, patterns. Puzzle Patch has a wide array of features and functionalities designed to immerse you in a world of captivating gameplay with immersive sounds and delightful interaction. With a friendly user interface, and options to change background color, solving the puzzle is more of fun. Join us in the world of Puzzle Patch and unleash your puzzle-solving prowess! Whether you're a seasoned enthusiast or a curious beginner, solving puzzle is fun. Get ready for dazzling visuals and sounds. Let's play Puzzle Patch! -
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Zeta Engine
2D ARPG Engine
Zeta Engine Is a simple 2-Dimensional Data Driven ARPG Engine aimed to create ARPG Games by desribing Data from XML Files and adding behaviour with Lua language. You can create simple to Advanced features without even touching the engine's core code thought an extensive Lua API. As for now, the gui System is CEGUI cause it can use the same data types as the Engine's. Currently Third Party software supported: Partial* Tiled Map support Partial* Dark Function Editor Support *By partial, means that the Engine uses only a part of the features provided by the software (For now). The Engine provides the "Standard Zeta Lua Library" with useful pre-defined Lua scripts for easier game creation. Also there is a Demo demonstrating some of the features.