Java Game

Open-source Java projects categorized as Game

Top 23 Java Game Projects

  • libGDX

    Desktop/Android/HTML5/iOS Java game development framework

    Project mention: Transfer from Processing to LibGDX. I need your advises. | /r/libgdx | 2023-03-28

    Source is also available on github to directly check the implementation of a specific classes.

  • Mindustry

    The automation tower defense RTS

    Project mention: Juegos para PC patata | /r/esGaming | 2023-06-03
  • Sonar

    Write Clean Java Code. Always.. Sonar helps you commit clean code every time. With over 600 unique rules to find Java bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.

  • Terasology

    Terasology - open source voxel world

    Project mention: Looking for opensource projects to contribute. | /r/opensource | 2023-05-06


  • ByteLegend

    Enjoy programming while playing a game.

    Project mention: 28 Hours of Java (Live Stream - Now!) | /r/java | 2023-05-19

    Schedule (all times UTC): // hosts: 🦁 Ana, 🤖 Nicolai, 🧑🏾‍🏫 Shar // topics: 💻 live code/exploration, 📣 talk, 💬 conversation, 🎮 game: 🤖💻 04:00 working on JUnit Pioneer - 🤖📣 07:00 "Data-Oriented Programming in Java (21)" 🤖💬 08:00 Gavin Bierman: pattern matching 🤖💻 09:00 exploring JEPs on disallowing dynamic agents (451) and platform integrity (draft 8305968) 🤖💬 10:00 Ron Pressler: platform integrity and the on-ramp 🤖💻 11:00 exploring structured concurrency 🦁📣 12:00 "Growing up with Java" 🦁🎮 13:30 Byte Legend - 🧑🏾‍🏫📣 16:00 "Java State of the Union" & "Why Community Matters" 🧑🏾‍🏫💬 17:00 Pratik Patel, Mohammed Aboullaite, Venkat Subramaniam, Andres Almiray, Ixchel Ruiz, Vincent Mayers 🤖💬 19:00 Brian Goetz 🤖💬 20:00 Gunnar Morling 🤖📣 21:00 "Java Next" 🤖💻 22:00 investigating the state of Valhalla 🤖💻 23:00 experimenting with string templates 🤖📣 00:00 talk: "Why don't they just... ?!" 🤖🎮 01:00 Slay the Spire (written in Java!) 🤖💻 02:00 modding Slay the Spire 🤖📣 05:00 "The SolutionFactory To Java's Problems" 🤖📣 06:00 "From Idea to IDE" 🤖💬 07:00 just chatting / AMA 🤖🛏️ 08:00 end

  • FXGL

    Java / JavaFX / Kotlin Game Library (Engine)

    Project mention: com.almasb.fxgl.all module not found | /r/javahelp | 2023-04-21

    I downloaded javafx from here: as a zip, extracted it, then went to my project structure and added it to my libraries. For a couple seconds it seems to work, but then I get the error again, and the folder isn't showing up in my external libraries.

  • mage

    Magic Another Game Engine (by magefree)

    Project mention: Seriously. Just woke up one morning and it made so much sense. | /r/ProgrammerHumor | 2023-05-23

    Real life example: The open source implementation of MTG card game multiplayer

  • PretendYoureXyzzy

    A web clone of the card game Cards Against Humanity.

    Project mention: Cross-Platform games for an informal LAN Party? (for mostly non-gamers) | /r/linux_gaming | 2023-02-27
  • InfluxDB

    Access the most powerful time series database as a service. Ingest, store, & analyze all types of time series data in a fully-managed, purpose-built database. Keep data forever with low-cost storage and superior data compression.

  • android-basic-samples

    Google Play game services - Android samples

  • triplea

    TripleA is a turn based strategy game and board game engine, similar to Axis & Allies or Risk.

    Project mention: TIL the board game "Settlers of Catan" was created by a dental technician, Klaus Teuber. It was so popular he retired to become a game designer. He went on to win Germany's Game of the Year 4 times. | /r/todayilearned | 2023-04-05

    It's 2-3 hours with computerized rules enforcement :

  • opsu

    opsu! ~ an open-source osu! client

    Project mention: What open source games do you play? | /r/linux_gaming | 2022-08-02 this one?

  • riiablo

    Diablo II remade using Java and LibGDX

    Project mention: Is there any handheld that's strong enough to play PS2, but is small enough to fit in your pocket. | /r/SBCGaming | 2022-12-24
  • maptool

    Virtual Tabletop for playing roleplaying games with remote players or face to face.

    Project mention: Looks like RPTools has finally gone down, no more map tools or Token Tool | /r/rpg | 2023-05-12

    The GitHub with the most recent releases of MapTool and TokenTool is still running and active.

  • LGame

    A cross-platform Java game Engine (Framework) , support JavaFX / Android / IOS / HTML5 / Linux / MAC / Windows

  • Railcraft

    The Railcraft Mod for Minecraft, source and development.

  • freecol

    FreeCol: FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation.

  • C2ME-fabric

    A Fabric mod designed to improve the chunk performance of Minecraft.

    Project mention: What a Strange World We Live in... GTNH, Minecraft 1.7.10 Working in Java 19 with LWJGL 3.3.1.... | /r/feedthebeast | 2023-01-26
  • pcgen

    Main code and data development for pcgen program release

    Project mention: Pathbuilder for Monsters | /r/Pathfinder_RPG | 2023-03-29
  • OpenKeeper

    Dungeon Keeper II remake

    Project mention: How is dungeon keeper's walls implemented? | /r/dungeonkeeper | 2023-05-17
  • magarena

    Magarena is a single-player fantasy card game played against a computer opponent.

  • pixelwheels

    A top-down retro racing game for PC (Linux, macOS, Windows) and Android.

  • lexica

    Word Game for Android - A fork of lexic (

  • Simple-Solitaire

    [Android] Simple Solitaire game collection

  • open-ig

    Free & open-source reimplementation of Imperium Galactica. Download the Installer below the file list!

    Project mention: Nektek melyik az a gyerekkori videójáték, amire visszaemlékezve kb. bekönnyeztek az emlékektől? | /r/hungary | 2022-08-23
  • SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-06-03.

Java Game related posts


What are some of the best open-source Game projects in Java? This list will help you:

Project Stars
1 libGDX 21,553
2 Mindustry 18,032
3 Terasology 3,515
4 ByteLegend 3,424
5 FXGL 3,185
6 mage 1,564
7 PretendYoureXyzzy 1,177
8 android-basic-samples 956
9 triplea 902
10 opsu 739
11 riiablo 683
12 maptool 679
13 LGame 511
14 Railcraft 495
15 freecol 493
16 C2ME-fabric 442
17 pcgen 401
18 OpenKeeper 381
19 magarena 371
20 pixelwheels 334
21 lexica 239
22 Simple-Solitaire 216
23 open-ig 214
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives