Sum Sudoku
A 9×9 Sudoku with dashed cages whose digits add up to the number in the corner. A new puzzle every day at four levels, each with exactly one solution you reach by logic, never by guessing.
How to play
Fill the grid with digits 1 to 9 so that each digit appears once in every row, column and 3×3 box. The digits in each dashed cage add up to the number in its corner, and no digit repeats inside a cage. Full guide →