Sudoku puzzle 22 - Extreme Sudoku 9x9

Posted on February 15, 2015

Scientists have shown that solving logic puzzles is really good for your brain. Today we have another brain teaser for you. Enjoy today's Sudoku puzzle.

How to play Sudoku: The goal of Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once.