Program to design crosswords
Divine generator of riddles for arrangement.
A very richly featured implementation of the Sokoban puzzle game
A Sudoku puzzle game
XML-based framework for developing games
Standalone Complete Sudoku puzzle Game Solver Generator for Windows
Internet-service for crossword solving.
A sudoku variant
Javascript crossword builderwith i18lized math capabilities
Sudoku solver and generator for Windows
Sudoku solver written in Java (Spanish Language)
Generator krzyżówek
PHP and MySQL based crossword generator