Play logic puzzles by filling 10x10 grids with 0s and 1s. Ensure each row and column has equal numbers of 0s and 1s. Avoid three identical numbers in a row. Earn points by solving grids efficiently. Use time-based multipliers for higher scores.
Solve with classic gameplay rules. Avoid repeating numbers in rows, columns, or 3×3 grids. Adjust difficulty in real time. Select from Easy, Medium, Hard, Master, or Daily Challenge. Track progress with detailed performance insights.
Solve puzzles with adjustable difficulty levels and multiple grid formats. Use advanced solving tools and track progress over time. Play fully offline and access handcrafted puzzles without internet connection.
Allows users to fill 9×9 grids with numbers 1-9. Tap cells to input numbers. Take notes and use hints. Access unique levels. Track progress and train brain skills.
Play with pencil and interface. Use Apple Pencil for writing and erasing. Auto-fill notes on demand. Solve puzzles with interactive solver mode. Add pencil marks and highlights. Check for errors with one click.
Solve puzzles with customizable grids. Input numbers manually or use pencil marks. Track progress across multiple games. Share completed puzzles via email or social media. No ads, in- purchases, or tracking features.
Solve by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 box contains unique numbers. Features include puzzle selection, difficulty levels, and hints. Track progress and complete logically without guessing.
Play by filling a 9x9 grid with numbers 1-9 without repeating in rows, columns, or 3x3 blocks. Choose from six difficulty levels. Track progress and restart puzzles. Share completed grids via social media.
Solve logic puzzles by filling grids to meet row and column targets. Make moves carefully to avoid three mistakes. Track progress through quick levels designed for brain training. Enjoy calm visuals and a peaceful interface.