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: 122 This Week
    Last Update:
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  • 2
    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.
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    Downloads: 120 This Week
    Last Update:
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  • 3
    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: 53 This Week
    Last Update:
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  • 4
    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: 25 This Week
    Last Update:
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  • 5
    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: 8 This Week
    Last Update:
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  • 6
    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: 6 This Week
    Last Update:
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  • 7
    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: 4 This Week
    Last Update:
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  • 8
    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.
    Downloads: 11 This Week
    Last Update:
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  • 9
    JAS is a java library for creating agent based simulations. It features a discrete-event time engine, APIs for network simulation design, powerful yet easy-to-use implementations of Genetic Algorithms and Neural Networks.
    Downloads: 9 This Week
    Last Update:
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  • 10
    A PSP porting of SUN's phoneMEAdvanced project (https://phoneme.dev.java.net/), to enable MIDP/PBP/JavaME applications running on PSP. You can also find phoneMEFeature PSP porting from another project: pspkvm(https://sourceforge.net/projects/pspkvm)
    Downloads: 5 This Week
    Last Update:
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  • 11
    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: 8 This Week
    Last Update:
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  • 12
    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: 6 This Week
    Last Update:
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  • 13
    90-minutes Manager ist ein Tool welches Manager des Browser-Spiels 90-minutes.org beim Managen ihres Teams unterstützt.
    Downloads: 2 This Week
    Last Update:
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  • 14
    A computer version of the World War 2 tactical boardgame "Squad Leader" originally published by The Avalon Hill Games Company. Play any scenario against anyone around the world!
    Downloads: 2 This Week
    Last Update:
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  • 15
    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: 4 This Week
    Last Update:
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  • 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
    ATCJ: Air Traffic Controller Game, let you direct flights into and out of the flight arena and airports, written in Java, small and portable, based on the classical UNIX terminal based Air Traffic Controller Game (atc) created by Ed James.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    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: 1 This Week
    Last Update:
    See Project
  • 19
    Prenzl!! is a desktop application and a screen saver running artistic cellular automata. The application is based on an Eclipse architecture and the rules can be in native. Our mission is to provide a viewer and an SDK for this kind of art, called CArt.
    Downloads: 3 This Week
    Last Update:
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  • 20
    Simulation of star movements with great visualizations of flights through star fields.
    Downloads: 3 This Week
    Last Update:
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  • 21
    A text-based soccer match generation engine. Reproduces the match with statistics and report. To be used as a library by integrating with 'host' applications. Download 'desktop' version or try it at http://www.pubsoccermanager.com
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    Tired of Football Mogul and its crappy game play and support? I am starting a java based American Football game. Any help is appreciated, even if you just want to create a player database or provide any helpful suggestions.
    Downloads: 2 This Week
    Last Update:
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  • 23
    Arcus is a Rubik's Cube Simulator written in Java featuring 3D display and cube manipulation. Besides conventional solving, getting from any pattern to any goal pattern is supported. Allows the user to bidirectionally walk through the cube's history.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    Bahamut-Sango
    Bahamut-Sango is a historical-simulation game made by the fans. Now it is in processing.
    Downloads: 2 This Week
    Last Update:
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  • 25
    Intersection simulator

    Intersection simulator

    Application that simulates intersection traffic with input parameters.

    Traffic simulator is an application in which you input some parameters, like the length of each traffic light etc. , and then it shows you stats. I made this application as my last project on college.
    Downloads: 2 This Week
    Last Update:
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