Initially activate the 'Auto' option for converting single digit pencil marks into regular entries (only for initial setting, not changing the current mode).
Download this game from Microsoft Store for Windows 10, Windows 8.1, Windows 10 Mobile, Windows Phone 8.1, Windows Phone 8. See screenshots, read the latest customer reviews, and compare ratings for Sudoku Free. Give the new Sudoku a try by clicking the 'Play Free Online' button above! Play the number game that adds up to fun! Use simple logic to fill in the puzzle's nine rows and nine columns with numerals 1-9. Our free online Sudoku games are all published correctly (with pre-filled numbers). This means that each puzzle has a logical solution and a single answer. Interesting Sudoku Facts. Playing free Sudoku is one of the most popular online pastimes for people who want to exercise their brains.
Automatically check if the puzzle is correctly solved.
Show numbers of digits yet to be filled.
When highlighting all related cells, highlights follow your cursor movements. (Otherwise follow your clicks.)
Sudoku
Sudoku Evil Puzzles To Print
Sudoku is a logic puzzle game. The objective is to fill the 9x9 Sudoku grid with digits 1 to 9 such that each of these 9 digits appears in each row, each column and each 3x3 sub-grid once any only once.
Play Sudoku Online
Don't want to solve the same Sudoku puzzles again and again? Now you no longer need to search the web for new puzzles. Billions of free Sudoku puzzles are offered here online. The chance that you play the same Sudoku puzzle is almost zero.
Sudoku Mobile
Free Online Sudoku
Play our billions of Sudoku puzzles on your mobile devices such as tablets and smartphones. If you have a large screen phone, try both versions to see which one is a better fit for your device. We also encourage those mouse-only PC players to try our Sudoku Mobile page that has a 'Cell First' option for entering multiple pencil marks in one cell at a time.
Smart Solver
Free Online Sudoku Hard
Our new smart solver not only gives the solution for a puzzle, but also explains every step with demonstrations in the grid. You may learn Sudoku solving techniques through examples with numerous puzzles from our database. Try Smart Solver now.