Do you know jigsaw sudoku puzzle? Basically you again need to watch your columns and rows to be unqiue. However the third dimension is this Sudoku variant is not the 3x3 block but a arbitrary shape of nine cells. In more advanced Sudoku these shapes are not even required to be connected. Colors are indicating one of those nine sectors.

Of course the nature of such Jigsaw Sudoku puzzle makes them even harder to solve. However also here applies. Practice makes perfect. A daily sudoku might be a good start to make you more comfortable with jigsaw sudoku.

There are again tons of free sudoku puzzle sites that offer a jigsaw variant. Try some out and have fun.

Smaller Sudoku grids like 4x4 or 6x6 are a good starting point for kids but also Sudoku beginners. Meanwhile we can find dozens of free online Sudoku puzzle on these smaller sizes. I have experienced that as a good opportunity to combine the kids interest in computer based online games and possibility to advance in combinative skills.

Studies exists and we all know the benefit of learning with games. And sudoku puzzles are no exception here. Because we find free sudoku puzzle all over the web it is exceptionally easy for everyone, not only kids, to start over small Sudoku's.

Whats behind Sudoku and why is it as famous as it is?

Basically the term is japanese and translates baiscally as "each number is unique". This relates to the fact that each row, column and block needs to be unique in terms of its numbers.

Played on a square of variable size Sudoku you will find the standard sudoku as a 9x9 square with 9 3x3 blocks. One fact for its publicity is there are different variants. So there are smaller Sudoku for kids as 4x4 or 6x6 grids.

Another reason is of course that you can play sudoku online and that you will find those web games for free. Some sites offer a free daily sudoku, some other provide dynamic unlimited amounts of sudoku puzzles. Those who don't want to play online on web, will find a printable Sudoku more useful.

In this block I will inform further about where you can play free online sudoku games and what other sudoku variants are availiable and how to solve them.

Have fun solving!