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
    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: 102 This Week
    Last Update:
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  • 2
    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: 92 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: 36 This Week
    Last Update:
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  • 4
    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: 38 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: 14 This Week
    Last Update:
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  • 6
    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: 18 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: 3 This Week
    Last Update:
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  • 8
    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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  • 9
    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: 7 This Week
    Last Update:
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  • 10
    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.
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    Downloads: 2 This Week
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  • 11
    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: 6 This Week
    Last Update:
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  • 12
    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
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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
    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: 5 This Week
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  • 15
    Antares is a 3D game of trading/space combat, in the line of Elite or Frontier. Some things you can do travelling with your spaceship include trading of goods, piracy, smuggling, mail delivery, different kind of missions... It is in pre-alfa state.
    Downloads: 2 This Week
    Last Update:
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  • 16
    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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  • 17
    Econtycoon
    Econtycoon is a free economic simulation game. The content of this site will be mostly in German. Econtycoon simuliert eine Rohstoffbörse mit schwankenden Preisen, die der Spieler geschickt ausnutzt, um sein Kapital zu vergrößern
    Downloads: 3 This Week
    Last Update:
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  • 18
    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: 3 This Week
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  • 19
    ScanCDP extracts informations from .cdp Auran Trainz files. See README for details.
    Downloads: 3 This Week
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  • 20
    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: 3 This Week
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  • 21
    Multibody dynamics simulation package with frictional contact and collision detection
    Downloads: 3 This Week
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  • 22
    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: 1 This Week
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  • 23
    The program Virtual Network Simulator for Web 2.0 is a tool that allows the simulation of assembly and configuration of computer network projects, virtual or physical. It also simulate the sending of a package between the hots of origin and destinati
    Downloads: 1 This Week
    Last Update:
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  • 24

    DSOL

    DSOL: A Distributed Simulation Object Library implemented in Java

    DSOL is a full featured multi-formalism, distributed simulation environment developed at Delft University of Technology (The Netherlands). DSOL has support for discrete event and for continuous modeling. Formalisms supported are event scheduling, DEVS, flow-based simulation, and continuous modeling through sets of differential equations. The first release was introduced at IEEE's Winter Simulation Conference in 2002. Since then, numerous papers and PhD dissertations have been developed, with applications in the fields of transportation and traffic, logistics, supply chain management, gaming and training, health care, and many others.
    Downloads: 2 This Week
    Last Update:
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  • 25
    A Java game based off the version on YoYoGames.com: http://gmc.yoyogames.com/index.php?showtopic=279075 The only controls are the arrow keys: Left and Right to steer, Up key to go faster.
    Downloads: 2 This Week
    Last Update:
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