Sudoku Puzzles

Welcome to the world of Sudoku!

It's the famous number based logic puzzle. Invented by the American Howard Garns in 1979 it has been become very popular in Japan in 1986. Meanwhile we just can't live without it. Enjoy our selection of different Sudokus and play them free online. Beginner can start simple while experienced enthusiasts can challenge themselves. Happy Sudoku Судоку 스도쿠 सु डोकु 數獨 数独 سودوكو! :-)

Sudoku for Kids

This is a colored and down scaled sudoku version for kids with a lot of special features like smaller grid (4x4 cells), 3 different addiction levels and a helpful marker to find errors.

How to play?

Depending on the format and size the rules are similar. Make sure that each number only occurs once in each row, in each column and in each block. The timer is to measure your progress after practicing. It will stop when hitting the "Pause" button.

Sudoku 6x6

Jigsawdoku