Open Source Java Puzzle Games

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.

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

Be warned this project was discontinued in 2013 and has not been updated in years.

An entertaining Sokoban game with nice 3D graphics available for Windows, Linux & Mac. Features different skins & workers, several level sets, resume & replay, improved mouse/keyboard control, audio etc.

Peces és un programa per jugar a 40 modalitats de tangram y més de 31.000 figures per resoldre. Podeu crear noves figures, generar-les automàticament, crear concursos i intercanviar les dades amb altres usuaris. A tangram's program with 40 modalites of tangram and more 31,000 shapes. You can create new figures and add them to the main game. In addition, it is possible to create competitions against your friends, and select only the shapes you want to use. Programme pour jouer avec 40 variétés de tangram et plus de 31.000 figures. Gioco di 40 modalità de tangram e più 31.000 Die Freeware Peces ist ein sehr umfangreiches Tangram Puzzle Spiel für Mac OSX mit vielen unterschiedlichen Formen und 4 Schwierigkeitsstufen. Die in einzelne Teile zerlegten Formen müssen dabei wieder richtig zusammengefügt werden.

Just another Tetris™ clone

jTans is a java version of Tangram, a (not so) ancient chinese puzzle. The object is to put 7 geometric shapes together so as to form a given outline. All the pieces must be used an should not overlap.

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!

This project aims to deliver a stable, performant and flexible Tetrinet & TetriFast server.

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.

This game demo is a tool to learn the basics of J2ME and a few graphic tricks.<br> It uses an Ant script for both code related operations and distribution management.<br> It also makes good use of great Java tools (Antic, ProGuard, MPowerPlayer).

Die Parkplätze bekannter deutscher Städte sind heillos überfüllt. Nur du (ja, nur DU!) kannst Ordnung in das Chaos bringen und den kleinen roten Flitzer frei machen. Alle Wagen (und die Wiese!) sind selbst fotographiert und für das Spiel bearbeitet. Die 53 Level wurden mit Hilfe des freien Tools gtlevel-0.4 erstellt.

FreeNono is an open-source implementation of the Nonogram game — a logic puzzle in which cells in a grid have to be colored or left blank according to numbers given at the side of the grid to reveal a hidden picture. FreeNono is distributed under the terms of the GNU GPL.

Java version (clone) of old 8bit game created originally for SHARP MZ-800 computer in 1984. Now rewritten into Java and available on all desktops. Java 1.8 required. >>> UPDATE 10/2017 >>> Levels from other devices included too!

The game tells us the story of Ik, a mayan young man. As we know, the entire Mayan Civilization disappears in some point back in time, but actually they went to another place, a better one (Something like " In a galaxy far far away"). The problem? Well, Ik didn't make it, he was left behind. So, abandoned in this world, he found Ok, the stone dog (I know, the names are little confused because they are based on Mayan Language). So, Ok tells our hero that he has to climb the Tower of Challenge to reach the other wolrd, where his people is. That's when the game begins.

DamePlus is an OpenGL based checkers game including several game modes such as "Dame", "Dame International", "Wolf und Schaf" etc. Also for playing human vs. computer some AI is implemented.

This small program was designed to generate randomized scrambles for all 41 basic 3x3 Rubik's cube F2L cases, from all 4 angles (FR, FL, BL, BR). It takes 20 unique scrambles from CubeExplorer, all scrambles roughly 7-11 turns in length. In addition, the program also includes useful intuitive and algorithmic solutions for each case.

The project is implementation of the Mine (Minesweeper) game. Written in Java, contains tool for automatic solving the mine field. Allows to set up width and height of the mine filed and number of mines. Very cool game :-)

Eight Queens placed on a chess board is a good example of the n Queens Puzzle. http://en.wikipedia.org/wiki/Eight_queens_puzzle

Codebreaker is a small game that runs in your browser (so you don't need to install it). The aim is to find the right code (3 digits). But the panel only tells you how many digits are right, not which ones. You can play the game on our webpage.

Crossword Sage is a tool for creating professional looking crosswords with powerful word suggestion capabilities. It can also help you solve crosswords!

Enjoy doing the crossword in the morning? But your paper doesn't print one on Sundays! Why not store the old crosswords in your computer so you can replay them anytime. Crosswordsaver keeps them in a database, you can play them later from your browser.

This is an implementation of Donald Knuth's Algorithm X ("dancing links"). This is primarily a sudoku generator and solver, though it can be used to solve other exact cover problems.

A Rubik's cube game for java capable cellphones (MIDP 2.0). Features: - multiple views: 3D and 2D (also able to run on older cellphones which do not support 3D) - automatic solvers which can solve the cube either step-by-step or completely.

Multilingual Crosswords - it finds solutions for grid puzzles by using words dictionary. It can support any language - currently polish and english dictionary. Rich client for editing/viewing is foreseen.