SUDOKU PC v1.7 Features: * The game run on all PC with OS Windows.
* 4 difficulties level. * Making thousand of random sudoku, with one and only one solution. * Elapsed time counter of game. * Hint steps. * Red highlighted value out of sudoku's rule. * Undo & Redo of each steps in game. * Save current state of sudoku. * Load saved sudoku. * Print current sudoku.