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: 108 This Week
    Last Update:
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  • 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: 49 This Week
    Last Update:
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  • 3
    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: 96 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: 19 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: 19 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: 7 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: 8 This Week
    Last Update:
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  • 8
    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: 6 This Week
    Last Update:
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  • 9
    SSPTool
    This program for SimCity 4 provides an interface for various plugins. The DAMN Manager is one of the famous plugins.
    Downloads: 9 This Week
    Last Update:
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  • 10
    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: 3 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:
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  • 12

    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: 3 This Week
    Last Update:
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  • 13
    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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  • 14
    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: 5 This Week
    Last Update:
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  • 15
    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: 5 This Week
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  • 16
    Multibody dynamics simulation package with frictional contact and collision detection
    Downloads: 5 This Week
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  • 17

    MPI Baccarat Game

    MPI Baccarat Game

    This is a baccarat game application developed in java 1.7 version with swing interface. It is developed by the gaming lab (MPI-GERDC). This game is aimed for students in MPI Bachelor of Science in Computing programme to study the gaming specialist. This simulation will help students to learn the baccarat game rules, logic, and test the betting systems of their own.
    Downloads: 4 This Week
    Last Update:
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  • 18
    Netrek is a multiplayer battle simulation game with a Star Trek theme. Up to 16 players are divided into two teams that fight each other for dominion over the galaxy.
    Downloads: 4 This Week
    Last Update:
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  • 19
    8. Mai 2005: We have discontinued SourceForge as a download place for our open source projects. You can now download these projects directly from the XLOG Technologies GmbH web site at http://www.xlog.ch/omonia.
    Downloads: 4 This Week
    Last Update:
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  • 20
    OpenRebellion

    OpenRebellion

    Open source game inspired by Star Wars Rebellion. Code written in Java

    Open source development of a strategy real time/turn base game based on Star Wars Rebellion game. Like us on Facebook to stay informed of any update: https://www.facebook.com/OpenRebellionGame
    Downloads: 4 This Week
    Last Update:
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  • 21
    MOVED: We have moved development to Google Code: http://code.google.com/p/jbox2d/
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    The goal of this simulator is to provide a realistic driving experience. It is focused on roads trafic rules. This software works with the JRE6 and the Java 3D 1.5.1 API. (available on Sun website)
    Downloads: 2 This Week
    Last Update:
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  • 23
    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: 2 This Week
    Last Update:
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  • 24
    eMo AERO Boss
    eMo.AERO.Bo$$ is an airline management game (real time economical strategy game). You are CEO of newly build airline. Your mission is to rule it, guide it and lead to World number One Airline. The game was created with inspiration of old Aerobiz game for Sega/Nintendo.
    Downloads: 1 This Week
    Last Update:
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  • 25
    An experiment in paired-programming to simulate elevator behaviour. Development is done entirely in Java. The finished product will provide a framework for additional simulations and some ability to test different elevator behaviours.
    Downloads: 3 This Week
    Last Update:
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