Play with thousands of free puzzles. Solve grids by filling numbers 1-9. Take notes that update automatically as you progress. Adjust difficulty levels and track progress. Share completed puzzles with friends.
Solve puzzles with varying difficulty levels. Track progress and compete globally. Adjust settings for hints and difficulty. Share achievements on social media. Features include clear graphics, puzzle validation, and automatic error checking.
Solve puzzles with additional numbers outside the grid indicating the sum of cells between 1 and 9 in each row and column. Complete puzzles with varying difficulty levels. Track progress and view hints when needed.
Offers puzzles in six difficulty levels. Players can choose between 9x9 grids or themed puzzle . Complete all to win. Features include adjustable difficulty, themed puzzles, and progress tracking.
