Solve puzzles with cages indicating number sums. Customize difficulty levels and track progress. Access 40 standard puzzles and 15 beginner puzzles. Share solutions and view hints.
Play with 4 difficulty levels and 3 input modes: "Digit first", "Cell first", and "Smart fill". Save progress automatically and resume later. Compete in weekly challenges and upload scores to compare with other players.
Play by filling a 9×9 grid with digits 1-9. Choose from four difficulty levels. Ensure no repeated numbers in rows, columns, or 3×3 sub-grids. Solve puzzles using logical deduction only.
