Browse free open source Games and projects for Windows 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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  • 1
    Stellarium

    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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    Downloads: 2,555 This Week
    Last Update:
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  • 2
    Klavaro Touch Typing Tutor

    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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    Downloads: 845 This Week
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  • 3
    FreeCol

    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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    Downloads: 451 This Week
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  • 4
    Celestia

    Celestia

    Real-time 3D visualization of space

    Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.
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    Downloads: 366 This Week
    Last Update:
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  • 5
    0 A.D.

    0 A.D.

    0 A.D. is a free, open-source, cross-platform real-time strategy game.

    0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.
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    Downloads: 112 This Week
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  • 6
    GEDKeeper

    GEDKeeper

    GEDKeeper - opensource and crossplatform genealogy management program

    GEDKeeper program is developed for work with personal genealogical database. The program is designed for extremely simple and intuitive interface. The program is very easy to install on the computer, fully supports the GEDCOM format, has no restrictions on the number of persons and generations, allows you to generate pedigrees, building several tree species, as well as print and save their images, provides fast navigation, filtering, searching and adding multimedia materials. In addition there is an output of geographic data on Google maps (© Google). The aim of the program is as quick and effective means of conducting personal genealogical database. We invite native speakers to improve the translation of the program on the Crowdin platform: https://crowdin.com/project/gedkeeper Project is published on GitHub, url: https://github.com/Serg-Norseman/GEDKeeper
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    Downloads: 132 This Week
    Last Update:
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  • 7
    NostalgiaLauncher

    NostalgiaLauncher

    Minecraft PE Alpha versions launcher for Windows and Linux

    Minecraft PE Alpha versions launcher for Windows and Linux
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    Downloads: 355 This Week
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  • 8
    ScummVM

    ScummVM

    A cross-platform interpreter for many point-and-click adventure games

    ScummVM is a cross-platform interpreter for many point-and-click adventure games. This includes LucasArts SCUMM games (such as Monkey Island 1-3, Day of the Tentacle, Sam & Max, ...), many of Sierra's AGI and SCI games (such as King's Quest 1-6, Space Quest 1-5, ...), Discworld 1 and 2, Simon the Sorcerer 1 and 2, Beneath A Steel Sky, Lure of the Temptress, Broken Sword 1 and 2, Flight of the Amazon Queen, Gobliiins 1-3, The Legend of Kyrandia 1-3, many of Humongous Entertainment's children's SCUMM games (including Freddi Fish and Putt Putt games) and many more. The project mailing lists have been moved to http://lists.scummvm.org The project tracker has been moved to https://bugs.scummvm.org
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    Downloads: 241 This Week
    Last Update:
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  • 9
    Color Sudoku
    Sudoku game with numbers, letters or colors. Board size can be from 4 to 20 (default size is 9). You can play many variants - Killer, Greater Than, Consecutive, Odd/Even, Diagonal, Samurai and their combinations, too.
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    Downloads: 18 This Week
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  • 8 Monitoring Tools in One APM. Install in 5 Minutes. Icon
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  • 10
    OpenTTD is an open source clone of the Microprose game "Transport Tycoon Deluxe". For more recent versions visit our website: http://www.openttd.org
    Downloads: 12 This Week
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  • 11
    pySioGame / eduActiv8

    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
    Downloads: 9 This Week
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  • 12
    HTLiveSight

    HTLiveSight

    HTLS is an Hattrick live match viewer, based on the old Livefox.

    With HTLiveSight, you can view your matches in a new way: you have explanations near the actions, live league table, popups and sound to advise you that something is happening in matches, even if you're doing other things on your pc! You can also add friends, so their matches are automatically added when you launch the program! Now we added the Relive feature, so you can watch your matches even if you're not at home when they're played! This application is a browser plugin and doesn't need any installation: the only requirement is have Mozilla Firefox and Google Chrome (soon Opera, Safari and mobile browsers) installed! So it's compatible with all the operating systems! And there are a lot of new things in development...check out the forum!
    Downloads: 7 This Week
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  • 13
    Sharp MZ-800 Emulator

    Sharp MZ-800 Emulator

    Emulator of the 8-bit computers Sharp MZ-800 / MZ-700 / MZ-1500

    Open-source emulator of 8-bit personal computers Sharp MZ-800, MZ-700 and MZ-1500. Developed for Linux and Windows using SDL3 (video/audio) and ImGui (GUI). Accurately emulates core hardware: CPU Z80, GDG (WHID 65040-032), CTC i8253, PIO Z80, PIO 8255, PSG SN76489AN - with precise internal signal timing. Supports peripherals: CMT (MZF/MZT/TAP/WAV), FDC WD279x, Quick Disk, ramdisks (MR1R18, Pezik variants), memory extensions, Unicard and IDE8. Integrated Z80 debugger with inline assembler, memory browser and breakpoints. Snapshot system for saving/loading complete emulator state (.mzs archives). Virtual keyboard, autotype, joystick support, variable speed control. GUI localized into 10 languages. Alternative ROM sets (JSS, WILLY) included. Software and games repository: MZF files: https://original.sharpmz.org/ DSK images: http://mz-800.com/
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    Downloads: 24 This Week
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  • 14
    Fast 2d tank arcade game with multiplayer and split-screen modes.
    Downloads: 4 This Week
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  • 15
    MegaGlest

    MegaGlest

    Cross-platform real-time strategy game (3D)

    _________________________________________________________________________________________________________________________________________________________ PLEASE NOTE: Downloads and repositories have moved to GitHub at http://github.com/megaglest _________________________________________________________________________________________________________________________________________________________ MegaGlest is a free real-time strategy (RTS) game. It's fun to play in both single and multi-player modes (same or cross platform on LAN or Internet) and has lots of game content for endless playing. It forked from (no longer maintained) RTS classic Glest in 2010 and has since added several new features while improving on previously existing ones. MegaGlest is available for Linux, Windows, OS X and other systems. It also drives ot
    Downloads: 6 This Week
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  • 16
    Puzzle Patch

    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!
    Downloads: 4 This Week
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  • 17
    O.R.E. is roguelike MMORPG game. It features nice-looking SDL terminal-like graphics, random dungeons, large world, freedom of action.
    Downloads: 2 This Week
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  • 18
    Nimzo-3d-Chess-GUI

    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
    Downloads: 3 This Week
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  • 19
    Holyspirit is a 2D isometric hack'n'slash game (action-rpg). You play a Holyspirit, which is an old corrupted soul who's been enlisted in God's army. You must redeem the country from the evil who's been unleashed against the living ones.
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    Downloads: 1 This Week
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  • 20

    Russian Checkers

    russian checkers game

    Simple game. It allows you to select language, color of checkers and one of three modes of game: user vs user, comp vs user and comp vs comp.
    Downloads: 1 This Week
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  • 21
    Alpha - Beta algorithm and an item estimation in games such as Checkers, the Chess, Tic-tac-toe.
    Downloads: 0 This Week
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  • 22
    AutoTeach

    AutoTeach

    AutoTeach makes kids study and learn in exchange for internet access.

    AutoTeach is a tool that enables parents to supplement The AutoTeach Parent Tool enables parents to supplement their childrens' education without supervision or drama. With AutoTeach you can queue-up activities and tasks that will be dutifully performed at regular intervals. Why will they cooperate like this? Because AutoTeach meters their internet access by using credits which they earn by performing the agenda which you have queued-up for them. The system has potential for many subjects. Everyone, worldwide, is invited to participate. Everything is open-licensed, either Creative Commons or GPL.
    Downloads: 0 This Week
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  • 23
    Board.Net is banchwork for simple board games. Every component can be working at other hosts (remoting).
    Downloads: 0 This Week
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  • 24
    DMO Advanced Launcher

    DMO Advanced Launcher

    Advanced launcher for Digimon Masters Online (DMO)

    ========================================================================= WARNING: OUR PROJECT WAS MOVED TO GITHUB: http://goldrenard.github.io/DMOAdvancedLauncher/ NEWEST RELEASES AND SOURCE CODE WILL BE AVAILABLE ON GITHUB! =========================================================================
    Downloads: 0 This Week
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  • 25
    DimensioneX Multiplayer Game Engine

    DimensioneX Multiplayer Game Engine

    Free MMORPG Engine. Develop and host graphical browser-based games.

    DimensioneX is a free Massive Multiplayer Game Engine. It lets you develop and then run or host browser-based, graphical multiplayer games. The users will play games simply via their browser. DimensioneX runs on any Java-enabled web server (eg. Tomcat)
    Downloads: 0 This Week
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