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What is Sudoku?

Sudoku is a puzzle game, where you have to enter numbers (1-9) into 9x9 grid. Several numbers are given. The only rule is that number cannot be repeated in same row, column or 3x3 subgrid. Read more on Rules page.

All our Sudoku combinations are a proper puzzles with an unique solution.

You know the rules, but have problems with solving Sudoku? Visit our Tips page. You will find instruction to solve not only simple Sudoku puzzles, but you will be able to play harder levels too.

Games on are grouped into 5 levels. On every level you can find 1000 games, so you can return any time to same game. Additional: You can print or save as PDF your favorite Sudoku puzzle.

On gaming page, you can play Sudoku with very useful tools, like notes, auto fill notes, highlight numbers, hint etc. Have a nice time on our site.

If you found some problematic Sudoku in newspapers, find solution on our Sudoku Solver page.