Sudoku Puzzles Ace is a new program based on Sudoku - a Japanese numbers game initially introduced in 1986. The program is able to generate millions of different random Sudoku puzzles and has "Hint" and "Solve" features to ease the solution process.
Free Math Board Game is a puzzle game with a 6 x 6 matrix where the digits 1 through 6 must be placed in each column and in each row without repetition.