Welcome to the 2025 Edition of Sudoku. Relieve boredom, have fun and exercise your mind all at the same time, how can you lose! Sudoku is a simple yet highly addictive logic puzzle game. Simply complete the board ensuring that each row, each column and each sub-grid only contains one instance of each piece. At the start of a game a number of pieces are placed on the board. These are known as ‘givens’. The remainder of the board contains blank squares for you to complete. You will need to use