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Play Sudoku Online

Play unlimited free Sudoku puzzles with varying degrees of difficulty!

Sudoku is a great activity to sharpen the mind. The object of Sudoku is to fill in the empty spaces of a 9x9 grid with numbers 1-9 in such a manner that every row, every column and every 3x3 box contains all numbers 1 through 9. It's fun and challenging for all ages. We also have 4x4 Sudoku for younger kids and 16x16 Sudoku (Hexadoku) for the enthusiast who wants a real challenge!

Play Sudoku

Below you can choose to play 4x4, 9x9 or 16x16 puzzles. Difficulty levels are: Easy, Medium, Hard, Very Hard and EXTREME!

Our visitors can play:

Sudoku4x49x916x16
Easy Free FreeFree
Medium Free FreeMembers
Hard Free FreeMembers
V. Hard Free FreeMembers
EXTREME Free MembersMembers

If you have comments or suggestions, please use the comments at the bottom of this page. We evaluate all comments to help make our puzzle makers better so you will keep coming back for more!

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