Play Sudoku Online With Pencil Marks

We hope you enjoy playing sudoku online here for free.

Play sudoku online with pencil marks. We hope you find our puzzles challenging yet appropriately solvable and that the site appearance is beautifully simple. Read more about the history and mathematics behind sudoku in the wikipedia sudoku article. Learn solving techniques with our smart solver. If you wish to save a sudoku puzzle in progress you must log in.

Sudoku is a logic based number placement game that was invented in the us then popularized in japan before spreading to the rest of the world. Pencil marks are small numbers written in a cell to indicate which numbers could go there. Use the space bar to toggle between entering final numbers or pencil marks. You can always add or remove pencil marks in our sudoku boards by using the mouse to select a 1 9 or by hovering the mouse over a square and typing or followed by the number to add or remove.

Sudoku puzzles are generated on the server using proprietary python code. Many newspapers now include a daily sudoku puzzle if you can t wait to check your answer try our sudoku solver. On the selector click on a small number to toggle a pencil mark or click on a big number to insert a. Fill in blanks with the pen select a cell then click on the number you want to enter.

If you re not 100 sure of a number you can make a note of it in the cell using the pencil. Click the today button to play today s daily sudoku online. Click a square and enter numbers using the keypad. In a sudoku you ve to match a established of numbers designs free printable sudoku puzzles with pencil marks.

Add and remove pencil marks by holding down the ctrl or alt key. Use the space bar or delete to empty a cell. Input a puzzle or partially completed puzzle and click print for a printable page. Play sudoku online using your browser with this advanced flash sudoku player.

We have lots of options to help you play sudoku including undo redo and the ability to use pencil marks placing multiple possible values on a square. Printable sudoku with pencil marks sudoku the spanish word for sudoku is really a type of puzzle game. Dkm sudoku online help how to play. Click the menu button then select the new puzzle menu item and select a difficulty level from the dropdown menu.

If you have narrowed down the possible values for a cell enter them in the cell and the numbers will automatically be made smaller to accommodate these pencil marks. Alternatively when you click on the cell you want to change a selector pops up. Play free online sudoku puzzles printable with pencil mark and coloring options.