Your Free Sudoku Puzzle
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Sudoku
Sudoku is a logic puzzle game. A classic Sudoku puzzle is a 9x9 Sudoku grid partially filled with digits from 1 to 9. The objective is to fill the entire grid with digits from 1 to 9 so that each of these 9 digits appears once in each row, each column, and each 3x3 block.
Play Sudoku Online
Billions of free Sudoku puzzles of varying difficulty levels are offered here online. The chance that you will play the same Sudoku puzzle is almost zero. The levels from very easy to very hard are: kindergarten, elementary, high school, college, and graduate. Also, the expert area provides extremely difficult Sudoku puzzles for those who are familiar with the most advanced Sudoku solving techniques. The interface here has many features that can help you solve the puzzles. You still need to solve the puzzles on your own. But our interface makes it more convenient for you to apply the logic and trace the steps. You can use our interface to enter candidates in a cell, highlight a cell that you want to make a note, trace and retrace steps with undo/redo buttons, fill in candidates for all empty cells with one key, save an unfinished puzzle in the middle of the game, check mistakes or violations for your entries, and more (see the manual of our interface for all features).
Our Daily Sudoku page offers a new Sudoku puzzle for each difficulty level every day. So, you can exercise your brain on a daily basis.
Play Your Own Sudoku Puzzles
You may want to solve a Sudoku puzzle you found somewhere else on our online interface. Just enter your puzzle on our online Sudoku blank grid. You can utilize all our interface features to solve your own Sudoku puzzle.
Sudoku Solver
Our online Sudoku solver offers two options for solving your Sudoku puzzles. One option is to give the solution to your puzzle instantly. The other option is to bring up our smart Sudoku solver to solve your puzzle step by step with explanations.
Learn Sudoku Solving Techniques
A complete set of Sudoku solving techniques is available on our site. You can learn various solving techniques and the logic behind them. You will know how to spot the patterns and apply the techniques. Additionally, our smart Sudoku solver can solve any valid Sudoku puzzle step by step, with an explanation of the logic and technique for each step. This feature can help you learn the Sudoku solving techniques through numerous examples. If you launch our smart Sudoku solver by clicking this link: smart Sudoku solver, it will solve a random Sudoku puzzle from our database with a choice of difficulty level. We have almost unlimited puzzles in our database, and with our smart Sudoku solver, all can serve as examples for you to learn the techniques and logic of the Sudoku game.
If you are new to the Sudoku game, we have some tips for beginners. That will give you a quick start to the game.