Browse free open source Java Games and projects below. Use the toggles on the left to filter open source Java Games by OS, license, language, programming language, and project status.

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  • 1
    Jthello is an othello (reversi) clone written in Java. It is designed to run over a network and to implement/compare different computer player (A.I.)
    Downloads: 0 This Week
    Last Update:
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  • 2
    Jusim Platform allows to develop an run multiuser games or simulations providing remote running facilities, extensible framework components and web-based project management.
    Downloads: 0 This Week
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  • 3
    This project is an interface for Java Media Framework to emulate a jukebox, a player for all audio files. This software will reporduce the interface used in the old big jukebox in the facility of utilization. Enjoy!
    Downloads: 0 This Week
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  • 4
    Juego Pong

    Juego Pong

    Pong esta basado en el juego clásico Ping Pong, desarrollada en Java.

    Pong esta basado en el juego clasico ping pong, desarrollada en Java, como tarea de Programacion I en Ing de Sistemas.
    Downloads: 0 This Week
    Last Update:
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  • 5
    Juggerlnaut aims at providing scalability for MMORPG or even FPS games across cores and servers.
    Downloads: 0 This Week
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  • 6
    JuggleAnim is a juggling pattern animator written in 100% pure Java (AWT), executable as an applet or application. Juggling patterns are entered in siteswap notation or selected from generated or pre-defined lists.
    Downloads: 0 This Week
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  • 7
    Junes
    Junes is a board game of student life and career. It is not a perfect remake, but is very much in the spirit of the legendary Sierra's game Jones in the Fast Lane.
    Downloads: 0 This Week
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  • 8

    Jurpe

    Role Playing Game Engine

    JURPE (Java Universal Role Playing Engine) is a Java API to support the writing of new computer RPG games based on a skill based, three dice RPG system. It comes with a full featured game demo of a medieval warrior crawling into a monster filled dungeon
    Downloads: 0 This Week
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  • 9
    JAG is a turn based logical game. You have dwarf under your control and sack full of gold. What will you do to grab it first?
    Downloads: 0 This Week
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  • 10
    Justhink is a framework for develop artificial intelligence simulations. The Framework provides a simulation software and an API to develop external modules that are plugged into simulation, such as the problem/mission and artificial intelligence modules
    Downloads: 0 This Week
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  • 11
    This is an old-school platform game where the main character, Justin Case is a private detective that tries to solve a mystery by collecting clues.
    Downloads: 0 This Week
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  • 12
    Juzzle is an puzzle game, written in Java.
    Downloads: 0 This Week
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  • 13
    This will be a Boulderdash-like game. (This is a university project, in the computer science faculty of the Technical University of Budapest.)
    Downloads: 0 This Week
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  • 14

    K-10.12

    The Vocaloid Quiz App

    Download with your android phone. Open with your phone.
    Downloads: 0 This Week
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  • 15
    A massive multiplayer online RPG, mostly text-based.
    Downloads: 0 This Week
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  • 16
    AutoClick program made in pure Java. For clicking automatically into regular grid-based tiles (Orthogonal, isometric or others). Configurable: delay, horizontal/vertical offset, countdown, etc... Two Modes: simple(rectangular map) or advance.
    Downloads: 0 This Week
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  • 17
    KGarten is a game where the player controls a nurse, whose goal is to collect the straggled children from the prairie and take them back to kindergarten. The prairie is tiled with hexagonal fields.
    Downloads: 0 This Week
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  • 18
    The Knowledge-Intensive Interactive Digital Storytelling (KIIDS) system is a software system for the development of interactive digital storytelling applications as videogames, pieces of interactive art or educational multimedia.
    Downloads: 0 This Week
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  • 19
    KIJ3DRacer is my (Kirschi) 3rd Racegame in Java. This time with Java3D.
    Downloads: 0 This Week
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  • 20
    Kirschi's 2. Rennspiel in Java. KIRacegame02 ist ein 2D Spiel in dem man eines von vielen RC (Remote Control) Fahrzeugen fährt. (Mit CPU Spielern!)
    Downloads: 0 This Week
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  • 21
    KKTechGameMaster is a word editor and random name generator for role-playing aid to help Game Masters in the fulfillment of new adventures. The suite covers desktop and mobile applications with different languages (VB6, VB .NET, Java, J2ME).
    Downloads: 0 This Week
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  • 22
    KMush is a simple MU* client intended for the K Desktop Environment. It is written in Java using the Qt Jambi bindings. Its intended use is for soft-coding and role-playing in MUSH environments.
    Downloads: 0 This Week
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  • 23
    KNCpong is a Pong clone of the classical arcade game. This game is open source applet written solely in Java. Includes 1 player action against a CPU opponent. As the game progresses, the CPU player will become quicker and smarter. Support for Java 1.3+
    Downloads: 0 This Week
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  • 24

    KSTweak

    A game-management tool for Kerbal Space Program

    This project aims to serve as a tool for managing installations of Kerbal Space Program (available here: https://kerbalspaceprogram.com/en/). The primary goal is to allow savegame editing; however, other ideas include module management and part tweaking.
    Downloads: 0 This Week
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  • 25
    Yet another tic tac toe game in java. Except with a, hopefully, better AI when playing 4x4, 5x5 grids.
    Downloads: 0 This Week
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    See Project