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:

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