Open Source Java Games
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Java Games
View related business solutionsBrowse 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
PojavLauncher
A Minecraft Java Edition Launcher for Android and iOS
A Minecraft Java Edition Launcher for Android and iOS based on Boardwalk. This repository contains source code for the Android platform. -
2
MCA Selector
A tool to select chunks from Minecraft worlds for deletion or export
An external tool to export or delete selected chunks and regions from a world save of Minecraft Java Edition. -
3
libsdl-android
SDL library for Android, including several games.
Port of SDL library to Android mobile platform. There are also several games inside the repository, along with their sources and build files. Both SDL 1.2 and 1.3/2.0 versions are supported (1.3/2.0 support is experimental) Sources are at https://github.com/pelya/commandergenius -
4
Universal Pokemon Randomizer ZX
Public repository of source code for the Universal Pokemon Randomizer
Universal Pokemon Randomizer ZX is an open-source tool that allows players to modify and randomize various aspects of Pokémon games across multiple generations, creating unique and unpredictable gameplay experiences. It supports a wide range of ROMs and provides a user-friendly interface for customizing game elements such as Pokémon encounters, abilities, stats, movesets, and item distributions. The tool is designed to maintain game stability while introducing variability, ensuring that randomized versions remain playable and balanced. It also includes advanced options that allow users to control the level of randomness, from subtle changes to complete overhauls of game mechanics. By enabling customization, the project extends the replay value of classic Pokémon titles and encourages experimentation with different strategies. It is widely used by the community for challenge runs, content creation, and personalized gameplay experiences. -
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5
Sodium
A Minecraft mod designed to improve frame rates
Sodium is a powerful rendering engine and optimization mod for the Minecraft client which improves frame rates and reduces micro-stutter while fixing many graphical issues in Minecraft. A Minecraft mod designed to improve frame rates and reduce micro-stutter. -
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Hello Minecraft! Launcher
A Minecraft Launcher which is multi-functional, cross-platform
HMCL is a cross-platform Minecraft launcher that supports Mod Management, Game Customizing, ModLoader Installing (Forge, NeoForge, Fabric, Quilt, LiteLoader, and OptiFine), Modpack Creating, UI Customization, and more. HMCL has amazing cross-platform capabilities. It can not only run on different operating systems such as Windows, Linux, and macOS, but also supports multiple CPU architectures such as x86, ARM, MIPS, and LoongArch. You can easily play Minecraft on different platforms through HMCL. -
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Roblox anti-AFK
Never get AFK kicked from Roblox again!
Never get AFK-kicked again! With Roblox anti-AFK you can easily: grind, farm, chill and whatever you want! It's very easy to use. Just press "Start!", and good luck being AFK! You don't even need to have the Roblox window open. Roblox anti-AFK allows you to AFK in Roblox while you can still use your device. I hope you'll make lots of progress in your favourite simulators! Feel free to add suggestions! =====Version: 2.9.1===== Requires Java to be installed to run. You can download it here if you don't have it already: https://www.java.com/download/manual.jsp If you have trouble opening the program, the first post may help: https://sourceforge.net/p/roblox-anti-afk/tickets/7/?limit=25 -
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LOTRO Companion
A companion for your LOTRO activities
LOTRO Companion is a desktop application. It manages characters of the Lord of the Rings Online (LOTRO) MMORPG. It has 3 main goals: - track the status of one or several characters: current gear, deeds, quests, collections... - simulate gear/virtues, compute result stats and analyze stats contributions - lore database: quests, items, deeds, mounts, pets... Character data is imported from the game client running locally. See https://discord.gg/t2J4GDq See https://www.facebook.com/lotrocompanion/ -
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MCreator
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
MCreator is an open-source integrated development environment designed to simplify the process of creating Minecraft mods, add-ons, resource packs, and data packs. The software provides a visual programming environment where users can design mod features using graphical tools instead of writing code manually. Through wizards, block-based programming interfaces, and an integrated editor, MCreator generates the underlying Java or JSON code required for the mod automatically. This approach allows beginners and students to experiment with mod development without needing extensive programming experience. At the same time, advanced users can extend the tool through plugins or directly modify the generated code for more complex projects. MCreator is widely used in educational settings, modding communities, and programming workshops as a gateway into game development. -
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TV-Browser - A free EPG
Ad free open source TV guide for more than 1000 channels.
TV-Browser is a java-based TV guide which can be easily extended with lots of plugins. It is designed to look like your paper TV guide. -
11
VulkanMod
Vulkan renderer mod for Minecraft
This is a fabric mod that introduces a brand new Vulkan-based voxel rendering engine to Minecraft Java in order to both replace the default OpenGL renderer and bring performance improvements. -
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Baritone
Google maps for block game
A Minecraft pathfinder bot. Baritone is the pathfinding system used in Impact since 4.4. How to immediately get started: Type #goto 1000 500 in chat to go to x=1000 z=500. Type #mine diamond_ore to mine diamond ore. Type #stop to stop. For more, read the usage page and/or watch this tutorial playlist. For other versions of Minecraft or more complicated situations or for development, see Installation & setup. Also consider just installing Impact, which comes with Baritone and is easier to install than wrangling with version JSONs and zips. For 1.16.5, click here and see description. Once Baritone is installed, look here for instructions on how to use it. This project is an updated version of MineBot, the original version of the bot for Minecraft 1.8.9, rebuilt for 1.12.2 onwards. Baritone focuses on reliability and particularly performance (it's over 30x faster than MineBot at calculating paths). -
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Robocode
Robocode is a programming tank game for Java
Robocode is a programming game, where the goal is to develop a robot battle tank to battle against other tanks with Java. The robot battles are running in real-time and on-screen. The motto of Robocode is: Build the best, destroy the rest! -
14
Data Crow
Your collection, your way
Data Crow is an open source collection manager for movies & video (DivX, MP4, MKV, etc.), TV series, books (and eBooks), images, board games, comic books, games & software, and music (MP3 and other audio files). Besides these built-in modules (which you can customise to fit your needs) you can create entirely new ones. Want to catalogue your stamps, equipment, wine, or anything else? Data Crow makes it possible. Your collection is accessible the way you prefer: as a stand-alone desktop application, in server-client mode for shared access across multiple users or devices, via the web client in any browser, or on the go with the Data Crow Reader App. The app synchronises with your Data Crow installation and works fully offline. Private. Offline. Completely personal. The Data Crow way. -
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FreeCol
Colonize the New World.
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. You start with only a few colonists defying the stormy seas in their search for new land. Will you guide them on the Colonization of a New World? The last stable version release can be found here: https://sourceforge.net/projects/freecol/files/latest/download The latest test pre-release of the next version can be found here: https://github.com/FreeCol/freecol/releases If you want to contribute to Freecol please visit our welcome information thread to see how here: https://sourceforge.net/p/freecol/discussion/719661/thread/2d0063a3bc/ -
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Arclight
A Bukkit(1.19/1.20) server implementation in modding environment
A Bukkit server implementation on common mod loaders. -
17
NeoForge
Neo Modding API for Minecraft: Java Edition, based on Forge
NeoForge is an open-source modding API and mod loader designed for Minecraft: Java Edition that enables developers to create and run game modifications within a structured development framework. The project was created as a community-driven continuation of the Minecraft Forge ecosystem and aims to provide a modernized, actively maintained platform for mod development. NeoForge includes tools, APIs, and build systems that allow developers to modify game behavior, add new gameplay mechanics, and integrate custom content into Minecraft worlds. The framework is designed to simplify the development process by offering standardized interfaces, development kits, and compatibility layers that help mod creators build complex modifications without rewriting core game code. By supporting mod development tools such as Gradle plugins and mod development kits, NeoForge allows programmers to efficiently build, compile, and distribute mods for multiple versions of Minecraft. -
18
Domination (Risk Board Game)
Domination is a game that is a bit like the board game Risk
Domination is a game that is a bit like the well known board game of Risk or RisiKo. It has many game options and includes many maps. Written in java it includes a map editor, a simple map format, multiplayer network play, single player, hotseat, 5 user interfaces and many more features, it works in all OSs that run java 1.5 or higher, iOS and Android. -
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MCinaBox
A Minecraft: Java Edition Launcher for Android
A Minecraft Java Edition Launcher on Android. MCinaBox is an open source project with the goal of building and developing a Minecraft Java Edition launcher that runs on an Android. Front End provides User Management, Minecraft Version Management, Minecraft Game Controller, Minecraft Startup Parameter Generation, Configuration Backend, Configuration and Management functions to reduce the workload of complete launcher development. -
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Mohist 1.20.1
Minecraft Forge Hybrid server implementing the Spigot
Tenet is an open-source experimental project related to Minecraft server or modding infrastructure that explores alternative approaches to building scalable and modular gameplay systems. The project aims to provide developers with a framework for experimenting with advanced server architecture and performance-oriented design. By focusing on modular components and extensible design patterns, Tenet allows developers to create systems that can integrate with other Minecraft tools and frameworks. The architecture encourages experimentation with new networking, gameplay logic, or server extension mechanisms. Projects like Tenet often serve as research platforms where developers test new ideas about game server design, concurrency, and plugin systems. The codebase provides a foundation for building new tools or prototypes related to Minecraft infrastructure. -
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------- 6th Feb 2026 ---------- gamepad support added = Mario_NES_Gamepad_Supported.zip require minimum java 1.8 after starting game with java.exe -jar "Mario.jar" in the main screen you can press z and x to chagen levels -------- settings if u check "skip this next time" and if u want to bring it back simply delete the file "Settings.txt" ( the file is create when u launch game and start game ) -------- controlls : z = run / fire x = jump arrows : left = go left down : duck right = go right i = show controlls menu g = show gamepad buttons -------- this is not for android game , its for windows , mac os and linux
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Sudoku generator/solver/analyzer written in Java (English and German). Lots of human style techniques (singles, subsets, LCs, fish, wings, uniqueness, coloring, chains, ALS), powerful analyzer (manage multiple solutions for one sudoku). Includes Learning and training modes and a booklet printer.
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23
Create
Building Tools and Aesthetic Technology
Create is a large Minecraft modification that introduces mechanical engineering systems, automation tools, and kinetic machinery into the game. The mod focuses on building complex contraptions powered by rotational energy rather than relying on traditional redstone circuitry alone. Players can design elaborate machines using components such as shafts, gears, belts, and mechanical devices that interact with each other to automate crafting, farming, and resource processing. Unlike many technology mods that rely heavily on graphical interfaces, Create emphasizes visible mechanical movement and physical machinery that operates directly in the game world. The mod also includes a visual documentation system called “Ponder” that demonstrates how each machine or component works through animated tutorials inside the game. -
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Lithium (for Fabric)
A Fabric mod designed to improve the general performance of Minecraft
A general-purpose optimization mod for Minecraft, improving server and client performance. -
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Welcome to GoMule! This is a muling application for the computer game "Diablo 2" which allows items to be stored and transferred between Single Player characters outside of the game.
