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
    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
    Last Update:
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  • 2
    AstroMenace

    AstroMenace

    Hardcore 3D space shooter with spaceship upgrade possibilities.

    AstroMenace is an astonishing hardcore scroll-shooter where brave space warriors may find a great opportunity to hone their combat skills. Gather money during the battle to spend them on turning your spaceship into an ultimate weapon of mass destruction and give hell to swarms of adversaries. Enjoy the wonderfully crafted 3d graphics and high-quality special effects along with a detailed difficulty adjustment and a handy interface of AstroMenace.
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    Downloads: 62 This Week
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  • 3
    C-evo

    C-evo

    C-evo Distant Horizon; Empire Building Game

    A Civilization style, turn based strategy game, of the Civ II era. In this game, each player becomes the leader of a civilisation. To win, the player's civilization has to be first to build a spaceship. C-evo Distant Horizon (c-evo-dh) is a fork of C-evo New Horizons https://app.zdechov.net/c-evo/ which is itself a fork of C-evo There is an excellent in-game manual, see also; https://civilization.fandom.com/wiki/Strategies_(C-evo)/For_first_few_turns https://civilization.fandom.com/wiki/Game_mechanics_(C-evo) https://civilization.fandom.com/wiki/Strategies_(C-evo) http://www.c-evo.org/text.html#design http://www.c-evo.org/faq.html http://www.c-evo.org/bb/index.php External Map Generator for more varied terrain https://sourceforge.net/projects/cevomapgen/
    Downloads: 25 This Week
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  • 4
    Unvanquished

    Unvanquished

    Open source FPS/RTS Game

    Unvanquished is a fast-paced, futuristic FPS with RTS elements, pitting technologically advanced humans against hordes of highly adaptable aliens. The player can choose from either team, providing a fresh gameplay experience on both sides of the conflict. The game is under highly active development with new releases frequently published.
    Downloads: 8 This Week
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  • 5
    OMSI 2 Add-on VanHool Generationen Reihe

    OMSI 2 Add-on VanHool Generationen Reihe

    Auf geht es in eine neue Runde! Mit der neuen kostenfreien ...

    Auf geht es in eine neue Runde! Mit der neuen kostenfreien Erweiterung „VanHool Generationen Reihe“ holen wir die vergessene Bus Serien von VanHool auf Deine Festplatte. Neben der „Stand-Alone Steam Version“, welche insgesamt zwölf verschiedene Busse aus dem französischsprachigen Raum in Belgien in den Varianten: A120, A320, A360, AG280 und AG300 anbietet, gibt es eine „Exklusive Edition“. Diese erweitert den Fuhrpark mit dem VanHool AGG 300. Dank der offiziellen Genehmigung und Unterstützung von VanHool, werden originale Sounds sowie Texturen mitgeliefert, die das Erlebnis noch realistischer und angenehmer machen. Das gesamte Interieur ist voll funktionsfähig und wurde mit zahlreichen Animationen und viel Liebe zum Detail gebaut. Auch Deine Kreationen kannst Du nun in den Repaint Vorlagen freien Lauf lassen und zahlreiche Repaints für die Community erstellen.
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    Downloads: 8 This Week
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  • 6
    OpenPatrician

    OpenPatrician

    Naval trade simulation in the north and baltic sea during 1250 - 1500

    OpenPatrician is a free implementation in Java of Ascaron's classic The Patrician and The Patrician 2. The game is economic simulation located in the European North- and East-Sea in the late middle age.
    Downloads: 7 This Week
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  • 7
    This is a web game like Ogame based on proyects as Xnova Revolution, Xnova Redesigned y XGproyect. Online demo: http://spaceone.tk
    Downloads: 6 This Week
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  • 8
    Savegame Manager

    Savegame Manager

    Savegame Manager - The best way to backup and restore your savegames.

    Savegame Manager is an independent and completely free software which allow you to back-up and restore your save games. If you want to make back-up for your save games, synchronize them or just share them with a friend, this is the right tool ! Savegame Manager includes : -A manager that allow you to delete/ignore/select your desired saves. -A PlaySafe! Mode, to synchronise your savegames while playing to keep them up to date. -Possibility to back-up your Steam savegames. -An intuitive graphical interface. -An Online mode, to send your savegames on a server and to share them with your friends using an ID. -An integrated help, a tutorial video and an online support. -A database updated so very often. -A feature that allow you to make your own savegames path, and to request them. You will need .Net Framework 4.0 installed as well in order to use it.
    Downloads: 5 This Week
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  • 9
    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: 2 This Week
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  • 10
    Endless Space Mod Tool

    Endless Space Mod Tool

    An Endless Space Mod Tool for the modding community.

    An Endless Space Mod Tool for the modding community. We made this tool ourselves using only the mods in circulation as a base to read, edit and create mods. (There is little functionality at the moment) Translators are still needed for other languages to support so if you want to help with translating feel free to give us a call.
    Downloads: 1 This Week
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  • 11
    circuit_chung
    circuit chung is an open source 3D circuit road car racing game with random road maps / racing circuit generation and cars traffic , towns ,panels ,lights and animated persos, written in freebasic and ancient openGL1.4. Source code of random racing circuit generation algorithm is provided. Developped on and made for small netbook (may run also on bigger Pcs).
    Downloads: 1 This Week
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  • 12

    Arduraco

    A control system for modell railways.

    This project is a control system for model railways. We want to use Arduino's, Raspberry Pi's to create our own virtual control center for the modell railway.
    Downloads: 0 This Week
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  • 13
    Arengu

    Arengu

    Arengu is a free 2D RPG with a thrilling story and exciting gameplay.

    Arengu is a 2D Indie RPG, which is written in C# with the programming environment XNA and it's developed by three german students. It's still in development, so you can follow the designing procress by playing this game or visiting our blog ( link to our website ). On Twitter ( https://twitter.com/ArenguRPG ) or our blog you'll find the latest news and information. YouTube Presentation of the latest Version ( in german ): https://www.youtube.com/watch?v=aPIr_-dJXQw Blog: http://arengu.blogspot.de Contact / Support: http://arengu.blogspot.de/p/support.html Arengu ist ein 2D Indie RPG, entwickelt in C# mittels XNA von drei deutschen Schülern. Das Spiel ist noch in der Entwicklung, du kannst uns beim designen des Spiels begleiten, indem du es spielst oder unseren Blog besuchst ( Link zur Homepage ). Auf unserem Twitter-Account ( https://twitter.com/ArenguRPG ) und dem Blog findest du immer die neusten Infos.
    Downloads: 0 This Week
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  • 14
    Downloads: 0 This Week
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  • 15

    Dungeons & Dragons Adventure connection

    Interface for Players and DMs of Dungeons and Dragons

    This is a small Interface for Players and DMs who play Dungeons and Dragons®. For Questions and/or bugs please write a ticket or visit our forum. Dungeons and Dragons® is a registered Trademark of Wizards of the Coast.
    Downloads: 0 This Week
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  • 16
    HdR Armee-Verwaltung

    HdR Armee-Verwaltung

    Freie Armee-Verwaltungs-Software, sowie Wissens-Datenbank

    Basierend auf dem "Der Herr der Ringe" TableTop-Spiel von Games Workshop ist HdRAV eine freie und kostenlose Armee-Verwaltungs-Software, welche auch eine Wissens-Datenbank beinhaltet. Es besteht die Möglichkeit einzelne Regeln, Zauber, etc. nachzuschlagen, sowie die Daten der einzelnen Modelle anzuschauen. Des Weiteren kann man einzelne Truppen generieren, welche sich zu einer kompletten Armee zusammenfügen lassen. Man kann seine einzelnen Armeen und Truppen verwalten, sowie ein Kampfblatt ausdrucken, was alle benötigten Informationen für einen Kampf beinhaltet, sodass man nicht jedes Mal die kompletten Regelbücher mit tragen muss, sodern nur seinen Ausdruck aus HdRAV, wo alles benötigte darauf steht. !-----------------------------------------------------! Ich benötige noch Helfer beim "abschreiben" der Regeln! Helfer sollen sich bitte melden: rbrixel@googlemail.com !-----------------------------------------------------!
    Downloads: 0 This Week
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  • 17

    JTagBasedMediaCenter

    a java tag-based media-center

    Downloads: 0 This Week
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  • 18

    Krabat

    Source code for the Krabat adventure

    This is the source code of the Krabat adventure which was released by the foundation for the Sorbian people (http://stiftung.sorben.com/wobsah.htm) in 2001. The source code is released in order to motivate people to help with additional translations and to finish the porting for the Android platform. Please go to the Wiki pages for details. ----- Auf dieser Seite befinden sich alle Quelltexte und Mediendateien des "Krabat" Abenteurspieles, welches im Jahre 2001 von der Stiftung für das Sorbische Volk (http://stiftung.sorben.com/wobsah.htm) herausgegeben wurde. Der Quelltext ist freigegeben, um "Mitstreiter" für neue Übersetzungen und die Fertigstellung der Android-Portierung zu finden. Bitte besucht das Wiki für detaillierte Informationen.
    Downloads: 0 This Week
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  • 19

    LustigeFehler

    Software to show nonsense failures. Software, die sinnlose Fehler anz

    Software to show nonsense failures. Software, die sinnlose Fehler anzeigt.
    Downloads: 0 This Week
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  • 20
    MemoryChantsOiseau

    MemoryChantsOiseau

    Apprendre les chants d'oiseau

    Un programme pour mémoriser les chants d'oiseau. Vous pouvez télécharger soit un installeur pour windows, soit un fichier zip valide pour tous les OS. Une fois décompressé il vous donnera un fichier jar et des répertoires. Il suffira alors de cliquer sur le fichier jar pour que le programme se lance. Merci de tester ce programme et de me signaler tout dysfonctionnement. Ce programme existe en français, anglais, finnois, allemand. D'autres langues sont possibles car les données sont au format texte. Pour le moment certains fichiers ne sont pas encore traduits mais cela ne saurait tarder.
    Downloads: 0 This Week
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  • 21
    MinecraftMover

    MinecraftMover

    MinecraftMover ermöglicht es, Minecraft-Dateien zu sichern.

    MinecraftMover ermöglicht es, die Minecraft-Daten zu sichern, um Sie so später auf anderen Computern wieder zu verwenden.
    Downloads: 0 This Week
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  • 22
    Mission Control Simulator

    Mission Control Simulator

    An Houston/NASA Mission Control Simulator written in Delphi!

    It´s a small project to test my Delphi-Skills... The Simulation will simulate the Mission Control of: -Mercury Atlas/Redstone -Gemini -Apollo 1/4/6/8/9/10/11/12/13/14/15/16/17 -Apollo-Sojus-Test-Program (ASTP) -Space Shuttle´s STS-Program -ISS U.S. Missions, russian Missions and Proton -and a "Easter-Egg": an ICBM test-Launch --- First it will be aviable in German, then in version 0.5 it will also be aviable in english. --- Sorry for my bad english, i am german ^^ --- UPDATE: I need ALPHA and BETA Testers!
    Downloads: 0 This Week
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  • 23

    Open TeamPlay

    An OpenSource (C# .NET) TeamPlay Environment.

    An Open Source (C# .NET) TeamPlay Environment. - Permits the easy downloading of games that may not be available via Steam, and their Source Port derivatives. - Preconfigured for easy play. - Enables the easier download of enhanced user made content for such titles. - Enables easier Multi-Player. - May incorporate a chat client in later versions. - Encryption: May incorporate up to 9.99% U.S.-origin parts or components. Officially Supported Operating Systems: - Windows 7 Ultimate x86, N, x64 - Windows 7 Enterprise x86, N, x64 - Windows 7 Professional x86, N, x64 - Windows 7 Home Premium x86, N, x64 - Windows7 Home Basic x86, N, x64 - Windows 7 Starter N - Windows Vista Ultimate x86, x64 Ed. + More...
    Downloads: 0 This Week
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  • 24
    Rechentrainer

    Rechentrainer

    Rechentrainer - Lernprogramm zum Üben der Grundrechnungsarten

    Der Rechentrainer ermöglicht es, sämtliche Grundrechnungsarten individuell zu üben. Er eignet sich besonders für Kinder von 6 bis 12 Jahren. Im Programm kann man individuell die verschiedenen Grundrechnungsarten (Addition, Subtraktion, Multiplikation und Division) auswählen und üben. Für die Strichrechnungen ist der Zahlenraum einstellbar. Bei den Punktrechnungen kann man einzelne Mal- oder Divisionsreihen auswählen. Das Programm gibt motivierende positive Rückmeldungen bei richtig gelösten Rechnungsarten zurück. Weiters wird jedesmal die Zeit gestoppt, sodass man auch die persönliche Rechengeschwindigkeit verbessern kann. Der kleine Rechentrainer eignet sich hervorragend zum Üben der eigenen Rechenkenntnisse! Besonders motivierend wirken die verschiedenen positiven Rückmeldungen! Die Bedienung des Programms ist intuitiv und einfach!
    Downloads: 0 This Week
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  • 25
    Sloth Online RPG
    Sloth Online RPG is a 2D fully graphical online game engine. It features rich tile based maps with layers, fully customizable characters and a completely interactive environment. Also included are resources such as map editors, sprites, tiles, and more.
    Downloads: 0 This Week
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