Sudoku, short for Suji Wa Dokushin Ni Kagiru (all numbers have to happen exactly once), is a portable number placement logic game.

Sudoku, short for Suji Wa Dokushin Ni Kagiru (all numbers have to happen exactly once), is a portable number placement logic game.

The objective is to fill a grid with digits so that each column, each row, and each of the nine sub-grids that compose the grid (also called boxes, blocks, or regions) contain all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution.

One nice thing with this app is the ability to print out making it more hands-on when playing with kids or when you do not have access to a machine.

Sudoku Features:

Simple operation: With only one mouse click, you can start your first game
Quick Help: At every time there is shown the actual help in a small window
Your Choice: Sudokus can both be played at the computer and be printed
Difficulty Levels: The program offers seven predefined difficulty steps, however, the difficulty can also be adapted freely
Alternation: Sudoku can be played with numbers, symbols or letters. Altogether, five different sets of symbols and numbers are available
Small Sudoku: Next to the classical Sudoku, it can be played a "fast Sudoku" on a smaller field
Infinite Sudokus: The program always generates new Sudokus by chance. So there is no limit to the number of games

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