When you have completed the Sudoku a ‘congratulations’ message will appear.
Click/Tap Resume to go back to the Sudoku.Ĭlick/Tap Reset to clear the grid and restart the Timer. The rules of the game The purpose of Sudoku is filling the 9×9 grid with numbers in a way that each row, column and 3×3 subgrid, also referred to as boxes (or regions), contains all the numbers 1 to 9. SettingsĬlick/Tap to show/hide extra highlighting of correct rows, columns and 3×3 boxes.Ĭlick/Tap to allow/disallow deleting correct numbers in completed rows, columns or 3×3 boxesĬlick/Tap to show Help. The Hint counter will tell you how many of your five Hints remain.Īlternatively, Click/Tap the Check tick and select Clear to remove any incorrect numbers from the squares or select Reveal to highlight the incorrect entries or Cancel.Ĭlick/Tap to abandon play and return to the home screen, saving your current progress. Unlike easy puzzles, medium-level sudoku requires a little more complex techniques (to solve these puzzles only by logic).
#FREE MEDIUM SUDOKU PUZZLES PRINTABLE FREE#
If you get stuck, select the square you want to fill and Click/Tap the Hint wand. Have fun free medium level sudoku online and progress in learning this logic game. The Timer will stop but you won’t be able to see the puzzle.Ĭlick/Tap Resume playing to go back to the puzzle.įor mobile devices where there’s less screen space, you may need to Click/Tap Pause to show your time.
#FREE MEDIUM SUDOKU PUZZLES PRINTABLE SERIES#
the length of a 1-3-6 series is 3.)įirst seen odd/even Sudoku: If odd, the first odd number in the corresponding direction or, if even, the first even number.When you have correctly completed a line, column or a 3 x 3 box it will be highlighted and any practice numbers will disappear.Ĭlick/Tap Pause to have a break. MaxAscending Sudoku: The length of the longest series of ascending digits in the corresponding direction. Higher skyscrapers block the view of lower ones, size being given by the digit. Skyscraper Sudoku: The number of visible skyscrapers from that side. Next-to-6 Sum Sudoku: The sum of all direct neighbours of the digit 6 in the row or column.
Outside-2 Sudoku: Must be placed in one of the first two cells in the corresponding direction. Outside clues per variant show:ĭifference Sudoku: The difference of the first two digits in the corresponding direction. Normal 6圆 sudoku rules apply to all sudokus, so each row, column and region must contain 1-6. A circle is an outside clue for both adjacent puzzles. This is one large puzzle, consisting of six different variants of 6圆 sudokus, all linked together by circles.
May not work on non sudoku grids or special constraints. Hotkeys Selection Select cells + Mouse click/drag Add or remove from current selection Move selection +, + Add to current selection + Select all cells + + Deselect all cells + Invert selection, Tool sensitive selection Number Entry Insert value, pencil mark, candidate or colour Insert value, pencil mark, candidate or colour Button Insert value, pencil mark, candidate or colour Change Tool, Next mode +, Previous mode "Digit" mode ( on German keyboard layout) "Corner" mode "Centre" mode "Colour" mode + Enter digit in "centre" mode + Enter digit in "corner" mode + + Enter digit in "colour" mode Undo / Redo + Undo last action + Redo last action if it was undo Check finished puzzle Button Press the check button to test basic sudoku rules.
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