Sudoku is one of the most popular puzzle games of all time. As a logic puzzle, Sudoku is also an excellent brain game. If you play Sudoku daily, you will soon start to see improvements in your concentration and overall brain power. Start a game now. Within no time Sudoku will be your favorite free online game.
Start a new game
Randomly choose a puzzle from level
Or choose a puzzle by number
Fill in all empty squares in as little time as possible.
Each puzzle consists of a 9x9 grid containing given clues in various places. Fill in all empty squares so that the numbers 1 to 9 appear exactly once in each row, each column, and each 3x3 box.