Blank grid - Play your own Sudoku puzzles on our online Sudoku game interface with various features such as pencil marks, one key filling all candidates, background highlights, undo/redo functions and more.

Online blank Sudoku grid (desktop version) with multiple features: pencil marks, background highlights, undo-redo functions and more. Play your own Sudoku puzzles with keyboard and mouse.

Play free online Sudoku puzzles on our featured Sudoku game interface. Learn Sudoku solving techniques through numerous examples with our smart Sudoku solver. Our online blank grid lets you play your own puzzles on our Sudoku game interface.

A Sudoku puzzle is a partially completed Sudoku grid with pre-filled digits in some cells. The objective is to fill the entire grid with digits from 1 to 9 so that each row, each column, and each 3x3 block have all 9 digits from 1 to 9 once and only once.

Every day, our Daily Sudoku page gives you a completely new Sudoku puzzle for each difficulty level. You can make a plan to give your brain a free daily workout. A printable version of this daily Sudoku puzzle is also available online. The "Print" option below the grid will let you print this daily Sudoku puzzle out and play with it offline.

Classic Desktop Version - Play free online Sudoku puzzles with keyboard and mouse. Interface is featured with pencil marks, background highlights, undo-redo functions and more.

Classic Desktop Version - Play free online Sudoku puzzles (intermediate) with keyboard and mouse. Interface is featured with pencil marks, background highlights, undo-redo functions and more.

Play free online (hard) Sudoku puzzles on our featured Sudoku game interface. You can fill in candidates, highlight cells, undo or redo steps, check mistakes, and more.

Introduce various features on the newly designed Sudoku game interface. These features can help you focus on the logic of solving Sudoku puzzles.

Play free online (very easy) Sudoku puzzles on our featured Sudoku game interface. You can fill in candidates, highlight cells, undo or redo steps, check mistakes, and more.