Open Source Java Board Games

http://www.triplea-game.org/

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.

Jin is a Java client for various chess servers. It currently supports the Internet Chess Club (chessclub.com) and the Free Internet Chess Server (freechess.org) but is designed to be able to support any chess server.

JSoko is a Java program for playing the Sokoban game. It features path finding, auto push, auto solving, undo/redo, deadlock detection, and more.

Implementation of the original Chinese board game of Mahjong using Hong Kong rules.

Colossus is a Java clone of the boardgame Titan, a turn-based fantasy wargame for 2-6 players. Each player moves stacks of creatures around a strategic board, recruiting more creatures and fighting enemy stacks on tactical maps.

XiangQi Wizard (Chinese Chess Wizard) is a powerful XiangQi (chinese chess) program, which supports UCCI engines. XQWizard Light is the Mobile version for Windows CE and Java ME. ElephantEye is the UCCI engine in XQWizard with strong AI.

Rails is a Java game engine intended to play any of the 18xx series of turn-based board games For 3-6 players and set in the 19th century, these games allow players to step into the shoes of the robber barons and railroad tycoons of the time period..

Scrabble Dictionary is a dictionary / word builder for Scrabble®-like games. It allows you to determine which words can be formed with a given rack and board. Features single and multi-player modes, multiple board designs and tile bags.

jDip is a tool for mapping, managing, and adjudicating Diplomacy games. It has a simple but powerful graphical interface, with a richly customizable map display. Windows, Linux, Mac OS X, and Solaris are supported. Over 25 variants are supported.

jose is a graphical Chess tool. >>> moved to https://peteschaefer.github.io/jose <<< You can store chess games in a database. You can view and edit games (including variations and comments). You can play against a plugged-in chess engine and use it for analysis. Features 3D board view.

Graphical interface to programs that play the game of Go and use the Go Text Protocol (GTP), such as GNU Go.

Chess application which allows working with PDFs and PGNs. You can work with the chess games of the PDF and edit their tree of variants. Graphical environment. Standard PGN TAGs. PGN comments. Ocr like (Fen string detection from chess board position images). Connection to Uci chess engines (like stockfish). Position analysis, full game analysis. You can now play games against uci engines. pdf2pgn command line command included. Detailed documentation. Multilanguage currently support for English, Spanish and Catalan. Dark mode option. JDK-17 compatibility

Sudokuki is a free graphical SUDOKU game: Sudokuki solves even the most difficult sudoku grids for you - Generate a sudoku - Play sudoku - Print a sudoku... Available in 17 languages. Just download and play! You can also play with arabic or chinese numbers. Sudokuki is Free Software developed in Java. Have fun!

Solaris Skunk Werks is a tool used to design Battlemechs for use with the Classic Battletech wargame. Data Files are available at www.solarisskunkwerks.com

MegaMekLab is a Mek creator program. Currently it can create Meks, vehicles, battlearmor, and conventional infantry. It can also print PDF record sheets for almost all Battletech units. Created units can also be exported to formatted text or html for posting online.

Risk has been renamed to Domination.

Mediocre is a Java-based chess engine, implementing features like LMR, SEE, history and killer moves heuristics, transposition tables, internal iterative deepening, PVS search etc.

Capa chess is a chess program. Features built-in simple engine, interface with external XBoard/WinBoard and UCI engines, basic plug-in capabilities, import/export, 2D/3D boards with customization. Java JRE 1.8 or above required.

Gametable (also known as GamenianTabele), is a Java-based shared whiteboard and chat client. It is designed primarily to provide an online tabletop interface. Draw directly, or place images, that all connected users can see and manipulate. RNG/dice functions supported, infinite table size, a few Z-order layers, pointer tools visible to everyone connected, stand along host server, and basic tagging and drawing tools. It specializes in simplicity, virtually no learning curve, and ease of use. Shared image files auto-propagate to other users (and only images, no other file type will propagate), which allow them to use a local cache to view shared spaces.

GOdroid is an Android application to play the strategic board game Go against the GPL Go engine GNU Go. It contains a Go board UI and minor changes to GNU Go. This site contains the sources for the UI and the (few) changes to the GNU Go sources. Translations contributed by - Chinese: Jean Lea and Kid Wong - Russian: Шмойлов Валерий - Danish and Norwegian: Michael Berthelsen - Polish: Piotr Goliasz - Finnish: Daniel Landau - Romanian: Mircea Damian - Spanish: Pol Urós Guardiola - Portuguese (Brazil): Igor Costa - Italian: Alessio Gerola - Hungarian: Téglás Zoltán, review: András Oláh - French: Laurent L Volunteers for providing additional translations are very welcome - it's easy, just fill out a google docs/drive spreadsheet.

GoGrinder is a Java application for practicing Go problems.

JavaPairing is a tool to manage a chess tournament. It is pure Java and can run as is on any platform, including Windows, Linux and Macintosh (JRE 1.6 or more required). It is free and open source under the GPLv3 license. Dutch, Dubov, r.r., Amalfi

This is a game of Scotland Yard, which has been coded in Java. The moves of Mr. X are made by the program, while the human player makes the detective moves. The game works fine on both Windows and Linux platforms.

Mobile Chess (for Java ME) and Flash Chess (for Web) with Strong Chess AI, see http://mobilechess.sourceforge.net/. Java Applet Chess and Ajax Chess are also available. Mobile Chess is sponsored by Chess Wizard now, see http://www.chess-wizard.com/.