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.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • Full-stack observability with actually useful AI | Grafana Cloud Icon
    Full-stack observability with actually useful AI | Grafana Cloud

    Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

    Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
    Create free account
  • 1
    Apple Game Server 3.1

    Apple Game Server 3.1

    Upload games to legacy apple // computers via serial and no floppies!

    This java (version 6 or higher) program allows you to send games directly to an old apple // computer with no need for floppies, only a serial cable. No hardware modification is necessary, you only need a working serial connection. A cousin of this project can be found here: http://asciiexpress.net/gameserver/ (Thanks Egan!)
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    This is a configuration front end for the apricots game which can be found at http://www.fishies.org.uk/apricots.html, eliminating the need for changing the configuration text file manually.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Arabian Flights is a 3d first-person shooter developed in Java using the Java3D library. It is loosely based on the game Magic Carpet. It consits of a 3d-modelled landscape and sprites for the monsters and spells. It runs under anything that runs Java3D.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    This software allows to you get all the addresses of all the players who want to play a online multiplayer game or application. With a simple interface players can chat and organize their online multiplayer parties.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Train ML Models With SQL You Already Know Icon
    Train ML Models With SQL You Already Know

    BigQuery automates data prep, analysis, and predictions with built-in AI assistance.

    Build and deploy ML models using familiar SQL. Automate data prep with built-in Gemini. Query 1 TB and store 10 GB free monthly.
    Try Free
  • 5

    ArcadeFighter

    Fight against aliens and asteroids

    Fly through the universe with your spacecraft and fight against aliens and asteroids.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Arcadiban is a Java clone of the famous Sokoban game created 1980 by Hiroyuki Imabayashi.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    An MMORPG using the Multiverse Platform (www.multiverse.net). This project includes game logic code and art assets. Note that the Multiverse server libraries itself is NOT open source.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Arcanium
    Arcanium is a fantasy multiplayer realtime strategy game. It has been developed as a student project at university and is now an open source project.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    A puzzle game for architects. Building a complex shape from basic solids using solid editing (union, subtraction, intersection)
    Downloads: 0 This Week
    Last Update:
    See Project
  • Earn up to 16% annual interest with Nexo. Icon
    Earn up to 16% annual interest with Nexo.

    More flexibility. More control.

    Generate interest, access liquidity without selling, and execute trades seamlessly. All in one platform. Geographic restrictions, eligibility, and terms apply.
    Get started with Nexo.
  • 10
    Architect I Gomoku (Engine with GUI)

    Architect I Gomoku (Engine with GUI)

    Gomoku Game: Playing with Computer

    This is the first step of a board game engine development plan "Architect". The first version will be playing the classical Gomoku game, and this version is called "Architect I". This project also shows the rich features of the next generation Java graphical user interface. The GUI of this application was built using JavaFX 2.0 which was entirely written in Java. Although as been announced, JavaFX 3.0 will be integrated into JRE in next year, at this point, you still need a separate runtime evironment. Be sure to download and install the JavaFX 2.0 runtime before download this game. @2011.10.24
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Arcus is a Rubik's Cube Simulator written in Java featuring 3D display and cube manipulation. Besides conventional solving, getting from any pattern to any goal pattern is supported. Allows the user to bidirectionally walk through the cube's history.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Areasteroids is an educational free software to learn how to calculate the geometric figures area. The original idea was based on the old arcade game Asteroids of Atari.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    The Areath project aims to create an easily reusable framework for putting together modernized (but still pleasingly retro) text-based games. Legends of Areath is a full game built using the framework.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    IBM Lotus Domino R5 based, powered by GURPS, web site which includes: Dicer roller, Character creation utility, Combat resolver, Arena action solution.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    A collection of minigames from Ares Magazine, the magazine of science fiction and fantasy simulation
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    ArgosFields is a Java/SWT port of famous turn-based stategy game Crimson Fields(http://crimson.seul.org/). Unlike the original game, it will provide full network support, but lack AI opponent(for now at least).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Ark Survival Server Multi Tool

    Ark Survival Server Multi Tool

    Custom exp./level caps + autounlock engrams on ARK: Survival Evolved!

    This app was designed to help make it easier to do various task when managing or setting up a server in ASE for the PC. It will contain several tools that will be useful for setting up a new server. Currently includes: - ASE Custom Level Calculator - ASE Auto Unlock Editor Both allow Clipboard Copy or Save/Export! Enjoy!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Tool for browsing units and building armies for a world war ii based strategy game.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    An open platform with an elegant GUI for evolving creative images using genetic programming.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    A Java turn based strategy game.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    A very simple, yet addicting game. Requires atleast 2 players, with a maximum of 4 players. Move around your environment with your block, get power-ups/downs, and be sure to shoot the other players before they get you!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    AI4D is an 3D framework to help the students of Artificial Intelligence. You can download the "mega ultra beta" version by CVS. Actually i only tested it on Linux. But probably will work if you put the DLL in the path. I really like help to make it bet
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Bukkit RPG plugin for Arvina minecraft world.
    Downloads: 0 This Week
    Last Update:
    See Project