Sudoku - Number game Puzzles is a logic game that will train your brain. This free app will help you with brain teasers, so it is great for mental health. It is a logic game with a unique twist. You will have to place numbers in a 9x9 grid so that each number can only appear once in each row, each column, and each mini-grid. The grid will be generated automatically, so you don't need to generate it yourself. There are many ways to play Sudoku. You can choose between the classic version or the numbers board game. You can also choose to play with a friend.