Solve puzzles and track your progress
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.
Showing 1–20 of 1,000 ranked alternatives.
Staple Games, LLC
Play and solve puzzles
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Easybrain Ltd
Play sudoku and solve puzzles
Solve sudoku puzzles with varying difficulty levels. Input numbers manually or use pencil marks. Track progress across multiple . Access hints and undo moves. Share completed puzzles via social media.
Tim O's Studios, LLC
Play Sudoku and solve puzzles
Play Sudoku to challenge your mind with a 9×9 grid. Fill rows, columns, and 3×3 sub-grids with digits 1–9. Choose from easy, medium, hard, or expert levels. Disable numbers after all instances are entered. Use note-taking and hints when needed.
勇 殷
Play , get hints, track progress
Play with puzzles of varying difficulty levels. Use hints, notes, and auto-check features. Complete puzzles without assistance. Track progress across multiple difficulty settings.
Tripledot Studios Limited
Play puzzles anytime
Play puzzles with adjustable difficulty levels. Solve grids using logic and number placement. Track progress and restart puzzles. Share completed games via social media. Sync progress across devices.
Tripledot Studios Limited
Place blocks, solve , clear grids
Play a logic puzzle game by placing blocks on a 9x9 grid. Fill rows, columns, or squares to clear the board. Drag pieces to the grid and avoid running out of space. Track high scores and challenge yourself with addictive brain training .
LI SAIHUA
Play and challenge puzzles
Play by filling numbers in grids to complete puzzles. Solve puzzles with varying difficulty levels. Use hints to assist with solving. Track progress and challenge yourself with expert-level puzzles.
Tobeas Brennan
Play puzzles, fill notes, solve grids
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.
C Loep
Play puzzles anytime
Solve puzzles with a 9x9 grid and 3x3 sub grids. Enter numbers 1 through 9 in each cell. Complete puzzles using logic without guessing. Access unlimited puzzles. Track progress across multiple difficulty levels.
瑞锋 于
Play puzzles online
Play by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 section contains unique digits. Choose difficulty levels and track progress across multiple games.
the binary family GmbH
Solve puzzles and track progress
Solve Sudoku puzzles with 6 difficulty levels. Edit numbers, highlight clues, and track progress. Undo moves and check for errors. Sync puzzles across devices.
Jonathan Lepage
Fill grids with 0s and 1s
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.
John Detloff
Play puzzles anytime
Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
Khoa Bach Huu Nguyen
Play and adjust difficulty in real time
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.
Doodle Mobile Limited
Play and solve puzzles
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.
Stanley Lam
Play in five overlapping grids
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.
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