Giant Sudoku expands the classic rules to a 16x16 grid with 4x4 boxes. Fill every row, column and box with the digits 1-9 and letters A-G, each exactly once. With 256 cells to solve, expect a long, satisfying game — start with easy 16x16 Sudokuor go straight to legendary 16x16 Sudoku.
Learn more about giant and mini Sudoku variantsor warm up with classic 9x9 Sudoku.