Sudoku is one of the most popular puzzle games of all time. The goal of Sudoku is to fill a 9x9 grid with numbers so that each row, column and 3x3 section contain all of the digits between 1 and 9. As a logic puzzle, Sudoku is also an excellent brain game. If you play Sudoku daily, you will soon start to see improvements in your concentration and overall brain power.
How to play Sudoku
The goal of Sudoku is to fill in a 9x9 grid with digits so that each column, row, and 3x3 section contain the numbers between 1 to 9. At the beginning of the game, the 9x9 grid will have some of the squares filled in. Your job is to use logic to fill in the missing digits and complete the grid. Don't forget, a move is incorrect if:
Any row contains more than one of the same number from 1 to 9
Any column contains more than one of the same number from 1 to 9
Any 3x3 grid contains more than one of the same number from 1 to 9
Here are some key features of this game:
- unlimited number of puzzles
- autosave, save, load function
- pencil mark mode
Use mouse or cursor keys to move cursor. Move cursor on a blank cell to enter the digit.
Press "Del" or "Backspace" or button with eraser to erase a digit.
Click on the pencil button to turn on pencil marks mode. Then click on a cell to place a pencil mark in the cell, or remove the pencil mark if there is one already.
Click on the pen button to turn off pencil mark mode.
To save or load a games go to File menu. Last game saved always.
What do you need to know about free software?
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