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.
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    Downloads: 126 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: 53 This Week
    Last Update:
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  • 3
    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: 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
    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: 9 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: 9 This Week
    Last Update:
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  • 7
    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: 5 This Week
    Last Update:
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  • 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: 9 This Week
    Last Update:
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  • 9
    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: 4 This Week
    Last Update:
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  • Smart Business Texting that Generates Pipeline Icon
    Smart Business Texting that Generates Pipeline

    Create and convert pipeline at scale through industry leading SMS campaigns, automation, and conversation management.

    TextUs is the leading text messaging service provider for businesses that want to engage in real-time conversations with customers, leads, employees and candidates. Text messaging is one of the most engaging ways to communicate with customers, candidates, employees and leads. 1:1, two-way messaging encourages response and engagement. Text messages help teams get 10x the response rate over phone and email. Business text messaging has become a more viable form of communication than traditional mediums. The TextUs user experience is intentionally designed to resemble the familiar SMS inbox, allowing users to easily manage contacts, conversations, and campaigns. Work right from your desktop with the TextUs web app or use the Chrome extension alongside your ATS or CRM. Leverage the mobile app for on-the-go sending and responding.
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  • 10
    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: 11 This Week
    Last Update:
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  • 11

    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: 5 This Week
    Last Update:
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  • 12
    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 1.0.4 City 1.0.1 Supermarket 1.0.0 Mall 1.0.0 Airport 1.0.1 Rail Company 1.0.0
    Downloads: 8 This Week
    Last Update:
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  • 13
    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: 2 This Week
    Last Update:
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  • 14
    GaugeBook
    GaugeBook displays Gauges of your FSX (with SP2 or Acceleration) and gives you control over a lot of Settings. Change Frequencies, QNH, etc with a few mouse clicks. It's still beta but the new G1000 is a blast. Runs smooth on any notebook.
    Downloads: 3 This Week
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  • 15
    Solarex - Travel and Explore the Galaxy
    Solarex is a space traveling, trading and prospecting game built upon a stellar system generator. There is a galaxy full of stellar systems with all sorts of treasures to explore - so enter your spaceship, buy some fuel and head off!
    Downloads: 4 This Week
    Last Update:
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  • 16
    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: 2 This Week
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  • 17
    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
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  • 18
    LOOP (Language Object Oriented Parallel) is a visual programming language project dedicated to creating a full suite of components for simulation of hierarchical dynamical systems in discrete time.
    Downloads: 3 This Week
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  • 19
    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: 3 This Week
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  • 20
    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: 3 This Week
    Last Update:
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  • 21
    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:
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  • 22
    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: 1 This Week
    Last Update:
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  • 23
    Worldlines
    Worldlines visualizes special relativity, as particles near lightspeed trace paths in a 3D slice of 4D Minkowski spacetime. Scenes illustrate time dilation, the twin paradox, length contraction, and Bell's spaceship paradox.
    Downloads: 1 This Week
    Last Update:
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  • 24
    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: 1 This Week
    Last Update:
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  • 25
    Falling Sand Game clones and source from the developers of Pyro Sand.
    Downloads: 1 This Week
    Last Update:
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