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.
    Leader badge
    Downloads: 105 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: 43 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:
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  • 4
    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: 14 This Week
    Last Update:
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  • 5
    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: 12 This Week
    Last Update:
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  • 6
    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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  • 7
    MOVED: We have moved development to Google Code: http://code.google.com/p/jbox2d/
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    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: 8 This Week
    Last Update:
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  • 9
    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: 12 This Week
    Last Update:
    See Project
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  • 10

    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: 6 This Week
    Last Update:
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  • 11
    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: 2 This Week
    Last Update:
    See Project
  • 12
    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: 7 This Week
    Last Update:
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  • 13
    Dioscuri is an x86 computer hardware emulator written in Java. It is designed by the digital preservation community to make sure that documents and programs from the past can still be accessed in the future. Dioscuri is durable and component-based.
    Downloads: 3 This Week
    Last Update:
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  • 14
    This is RoboCup player. The player can be used with soccer server system (http://sserver.sourceforge.net). It can be used as a library for your custom player or can be programmed with build-in scripting language (very simple).
    Downloads: 5 This Week
    Last Update:
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  • 15
    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:
    See Project
  • 16
    Provides a spoken command interface for SARGE (Search And Rescue Game Environment)
    Downloads: 3 This Week
    Last Update:
    See Project
  • 17
    JHandballMoves simulates the play of a handball team. One can create new moves and make the attackers and defenders perform the action.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 18
    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: 1 This Week
    Last Update:
    See Project
  • 19
    This program allows user to test the roads to be constructed, on a three dimensional simulation environment.
    Downloads: 2 This Week
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    See Project
  • 20
    JAIS is a completely object oriented designed, Java implemented RoboCup Agent including visualisation of the world model.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    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: 2 This Week
    Last Update:
    See Project
  • 22
    JbiLoan

    JbiLoan

    Simulate a loan from its rate, amount and duration

    Open source simulator of loans. Loans depend on 3 data : the amount to borrow, the bank rate, the duration. But sometimes, you want to compute one of these data, knowing 2 of them only, plus the monthly payment. That's exactly what JbiLoan is made for! Moreover, this tool allows you to compute the full simulation of the loan, including the insurance rate and the bank expenses. And finally, it displays the real/effective rate and compares the loans together, so that you know exactly which one is really the cheapest!
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23
    SARGE - Search And Rescue Game Environment is a multi-player training game for robot operators which also supports agent based robot control for simulation work via TCP.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    Software Process Model Suite is a toolset for modeling and simulate software process models. Is composed by: 1. a simulator engine; 2. a modeling tool based on SPEM, that uses model transformation approach; 3. a visual graphical simulator.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 25
    SSPTool
    This program for SimCity 4 provides an interface for various plugins. The DAMN Manager is one of the famous plugins.
    Downloads: 2 This Week
    Last Update:
    See Project
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