Divine generator of riddles for arrangement.
A very richly featured implementation of the Sokoban puzzle game
A Sudoku puzzle game
Program to design crosswords
Standalone Complete Sudoku puzzle Game Solver Generator for Windows
A sudoku variant
Sudoku solver and generator for Windows
Command line sudoku generator and solver. It uses opencl or openmp.
Sudoku solver written in Java (Spanish Language)
Generator krzyżówek
PHP and MySQL based crossword generator