Browse free open source Java Simulation Games and projects below. Use the toggles on the left to filter open source Java Simulation Games by OS, license, language, programming language, and project status.

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  • 1
    FTLEditor

    FTLEditor

    A tool to edit profile and saved game files for FasterThanLight.

    A 3rd-party tool to edit user files for the game FasterThanLight. With this, you can unlock any or all ships and achievements in your user profile, or tweak most aspects of saved games: crew, systems, weapons, fires, breaches, etc.
    Downloads: 101 This Week
    Last Update:
    See Project
  • 2
    Biogenesis
    Biogenesis is an artificial life program that simulates the processes involved in the evolution of organisms. It shows colored segment based organisms that mutate and evolve in a 2D environment. Biogenesis is based on Primordial Life.
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    Downloads: 40 This Week
    Last Update:
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  • 3
    VASSAL Engine
    VASSAL is a game engine for creating electronic versions of traditional board and card games. It provides support for game piece rendering and interaction, and supports play by email or over a live connection.
    Downloads: 32 This Week
    Last Update:
    See Project
  • 4
    x3d

    x3d

    X3D is the open-standard format for 3D graphics scenes on the Web.

    Extensible 3D (X3D) Graphics is a royalty-free International Standard for real-time interactive 3D graphics on the Web, providing unsurpassed interoperability for 3D communications on the Web. This project includes source for example X3D scene libraries and multiple X3D codebases produced by Web3D Consortium members. All open-source contributions are welcome.
    Downloads: 10 This Week
    Last Update:
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  • 5
    XHSI - glass cockpit for X-Plane 10 & 11
    XHSI (eXternal High-resolution Simulator Instruments) is an add-on for the X-Plane flight simulator. It displays the PFD, ND, EICAS, Flaps and Gear indicator, Clock/Chronometer, etc... in separate windows. In general, the instruments can be displayed in B737-NG or A320 style.
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    Downloads: 23 This Week
    Last Update:
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  • 6
    Kelpie Flight Planner for Flightgear
    The Kelpie Flight Planner for Flightgear. This Java based Gui flight planner uses the airport and navaid databases of the Flightgear, allowing the user to search for airports and navigation aids and plan flights between them. [Note: Requires Java 1.10 or above] This program is no longer being actively developed or supported. All future work is being undertaken on a port to Rust/Gtk at https://github.com/shartrec/kelpie-flight-planner. But is still in the very early stages.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 7

    Biogenesis Color Mod

    Mod for evolution simulation and artificial life program Biogenesis

    You can download the Color Mod at the Biogenesis main site too (included in the main download now). You also find the sourcecode there. If you want to post a review, remember that this is only a modification, so comment on my changes, not on the simulation. Original project by Joan Queralt Molina: https://sourceforge.net/projects/biogenesis/ Includes Tyler Colemans "Features Mod": https://sourceforge.net/projects/biogenesisfeatu/ Biogenesis discussion forum: https://sourceforge.net/p/biogenesis/discussion/ Biogenesis runs faster (at least for myself) if you open a Google Chrome window (don´t know why :D)
    Downloads: 7 This Week
    Last Update:
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  • 8
    Corewar is a game played vicariously through the action of assembly language programs written in a language called Redcode. Corewar is discussed in the Usenet group REC.GAMES.COREWAR; the reference implementation of this game, pMARS, is maintained here.
    Downloads: 3 This Week
    Last Update:
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  • 9
    Provides a cockpit training environment for the Falcon 4.0 Allied Force (http://www.lead-pursuit.com) simulation.
    Downloads: 7 This Week
    Last Update:
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  • 10
    Magic:The Gathering over LAN or Internet, alone or against another player (need IP of your opponent). The program is the judge : you play with the true rules. Firemox can also emulate another TBS. Written in Java, works on Mac, Windows and Linux.
    Downloads: 2 This Week
    Last Update:
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  • 11
    A Java port of the Palm game Space Trader. This port is based upon the C# port at Space Trader for Windows. Recent improvements are being made to enhance it into a full-window application, under a new branch of development. Consult the wiki for info.
    Downloads: 2 This Week
    Last Update:
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  • 12
    Helping you rifle through other people's packages. The DBPF2 file format is used for most of the content in the Sims 3 engine. This project provides a Java-based API, and supporting GUI application, to unpack, browse, edit and repack these files.
    Downloads: 3 This Week
    Last Update:
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  • 13
    tXtFL is a strategy-based football simulator. Teams can be created from real stats on the web, built through custom designed plays, and then used to coach games or predict scores. Note that as of 2010, all new development is taking place at http://textflex.com/txtfl.
    Downloads: 3 This Week
    Last Update:
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  • 14
    JManagementGames

    JManagementGames

    Collection of simple Java Mangement Games

    Collection of simple Java Mangement Games Currently available: Restaurant 1.1.0 Transport Company 1.0.6 Chauffeur 1.1.0 Farm 1.0.1 Supermarket 1.0.0
    Downloads: 4 This Week
    Last Update:
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  • 15
    MorseLab
    Java-based free software for learning audio and flashing-light Morse code. Features include very flexible audio system, drills based on live news feeds, and adaptive drilling strategies.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 16
    open-dis

    open-dis

    Open-DIS implements the IEEE DIS protocol in multiple languages.

    An open source implementation of the Distributed Interactive Simulation (IEEE-1278) standard in C++, C-Sharp, Objective-C, Java, Javascript and XML. Example applications including sending and receiving native DIS traffic, X-Plane plugin, and WebSocket/Javascript/WebGL applications. See the individual code directories for each package of interest. This project is inactive and has migrated to a GitHub project at https://github.com/open-dis
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    OpenRock Curling is a free curling game with network support. It is written in Java and should run all platforms with JRE 6 or later.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    Tyrant is a graphical roguelike fantasy adventure game. It features intricate randomly generated landscapes, towns and dungeons. It is written in Java with a highly extensible game engine.
    Downloads: 1 This Week
    Last Update:
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  • 19
    FreeSimRC is a framework to provide radar clients for virtual air traffic control networks (e.g. VATSIM, IVAO). It handles the data provided by these networks, so it can be used by different radar client frontends.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    Multibody dynamics simulation package with frictional contact and collision detection
    Downloads: 3 This Week
    Last Update:
    See Project
  • 21
    CarDriving
    The very basic of a java 3D car driving game, freely expandable including a built-in basic 3D object editor and a more complex road+objects editor. Source code available, no OpenGL.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    AdmIRC is a webmin module for irc server administration. It provides a config interface and advanced security and linking automatism support. Currently UnrealIRCD 3.2 and the services Anope and Epona are supported. Subprojects: irc newsbot and java tools
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23
    Jagent
    Jagent is a suite for manipulating Creatures 3 and Docking Station agents. It consists of a sprite tool (Edos) and a PRAY tool (Monk). It requires Java (http://java.com/)
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    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: 2 This Week
    Last Update:
    See Project
  • 25
    Rail World is a railroad train simulation game designed to bring the features of model railroading to the desktop using actual aerial or satellite photographs as the backdrop for maps. Control multiple trains, switches, load/unload cargo, and more.
    Downloads: 2 This Week
    Last Update:
    See Project
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