A free app for Android, by COT.

Sudoku Classic Sudoku Game is the number puzzle game for free! It is one of the most popular logic puzzle games around the world. You can enjoy this Classic Sudoku Game for free, without any in-app purchases or advertisements. It is easy to play and you can challenge your brain anytime, anywhere.

You will have to arrange numbers 1 through 9 in a 9×9 square so that each number does not repeat in the same row, column or block. When you have completed arranging the numbers, you will have solved the puzzle.

It is an ideal way to keep your mind active and to exercise your brain muscles. It is a logic puzzle game that will challenge your brain and mind. If you are an expert, you can also try the harder levels.