Play by filling a 9x9 grid with numbers 1-9 without repeating in rows, columns, or boxes. Solve daily puzzles with varying difficulty levels. Track progress and complete challenges to improve logic and problem-solving skills.
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.
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.
Game allows users to select from easy, medium, hard, and expert difficulty levels. Players fill grids to ensure each row, column, and region contains unique numbers. Features include thousands of free , hints, and progress tracking.
Play by filling a 9x9 grid with numbers 1-9 without repetition in rows, columns, or 3x3 blocks. Choose from multiple difficulty levels. Track progress and solve puzzles to improve logic and concentration.
Play with four difficulty levels and tutorial guidance. Solve puzzles using notes, undo/redo, and auto-note features. Color squares with two colors for advanced strategies. Check for errors manually or automatically.
Solve puzzles with varying board sizes. Select from dark or color themes. Access daily challenges and casual mode. Track progress and play puzzles of different difficulty levels.
Play with five overlapping 9x9 grids. Solve puzzles following standard rules. Choose from five difficulty levels and various types like Gattai and Butterfly. Use the Hint feature to auto-fill the board with non-conflicting numbers.
Play with unlimited offline across five difficulty levels. Solve grids manually or use hints. Share with friends for collaborative play. Track progress and restart at any time.
Puzzle challenges with multiple difficulty levels and note-taking features for enhanced gameplay.
The app offers a variety of puzzle challenges with multiple difficulty levels. It includes features like pencil marking and auto-fill for notes to enhance gameplay.
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 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.