The most popular logic puzzle in Japan. It is very simple to learn, requires no calculations, and provides a surprisingly wide variety of logic situations. The rules are simple. Each row, column and minibox comprises the numbers 1 through 9. The solver must complete the missing numbers. So the completion rules are so simple and yet the overall task can be difficult. Sudoku is recommended by some teachers as an exercise in logical reasoning.

Sudoku Puzzles Ace is a new program based on Sudoku - a Japanese game initially introduced in 1986. Tough Sodoku puzzles may take a few hours to solve. This is where the benefit of software comes in. Since Sudoku Puzzles Ace isn`t pen and paper, there are an unlimited number of corrections that can be done. The program is able to generate millions of different random Sudoku puzzles and has "Hint" and "Solve" features to ease the solution process.

Sudoku16 is complicated version of sudoku game destined for real puzzle lovers. It`s also known as Suduko, Sudoko, Su do ku, Sodoku, Suduku. In it you must to compare numbers on game board to make them according the rules. Which are very simple. Each row, column and subgrid inibox (4x4) comprises the numbers 1 through 16 or letters A through P or anything else. From children to old can enjoy it for a pass-time.