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.
Play with customizable themes and exclusive events. Style numbers with 26 fonts and choose modern color schemes. Track progress and solve in varying difficulty levels. Share achievements and compete with friends.
Solve puzzles with varying difficulty levels. Input numbers manually or transfer from newspapers. Use pencil and paper style tools for notes and hints. Track possible numbers with a ball of string. Access expert-level hints like Swordfish.
Allows users to solve puzzles with customizable themes. Features include shaking for hints, move-by-move validation, and adjustable difficulty levels. Users can track progress and learn new solving strategies.
Solve algebra equations step-by-step. Practice arithmetic operations anytime. Access over 100,000 grade-specific word problems with explanations. Receive personalized feedback and progress tracking.
Solve puzzles in five categories: Normal, Cross, Jigsaw, Cross Jigsaw, and Inequality. Each category contains 500 puzzles. Features include puzzle selection, hint system, and progress tracking. Play all puzzles for free.
Play and KenKen puzzles in five difficulty levels. Choose between classic and KenKen modes. Access daily challenges to progress from novice to expert. Solve puzzles with varying complexity to enhance logical thinking.
Solve Sudoku puzzles with adjustable difficulty levels. Track progress and statistics. Access hints and undo moves. Play offline and sync across devices. Share completed puzzles. Customize board appearance.
Solve sudoku puzzles by filling grids with numbers following sudoku rules and region sum constraints. Enter notes with a dedicated key. Adjust puzzle difficulty and track progress across multiple games.
Solve daily puzzles by connecting groups of four words with a common theme. Complete 4x4 grids with logic and vocabulary skills. Track progress and challenge others in competitive play.
The app offers one million free sudoku puzzles across five levels. It features three puzzle themes and tracks player statistics, allowing for competitive or relaxing gameplay.