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.
Play with puzzles of varying difficulty levels. Use hints, notes, and auto-check features. Complete puzzles without assistance. Track progress across multiple difficulty settings.
Allows users to input puzzles via image or keypad. Features include solving entire puzzles or individual numbers, creating and printing puzzles, and erasing last entry by shaking.
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 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.
Play a by placing pieces into a 9x9 grid. Clear lines or 3x3 boxes to remove blocks and earn points. Extend combos and streaks for higher scores. Continue until no more moves are possible.
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.
Solve Sudoku puzzles with 6 difficulty levels. Edit numbers, highlight clues, and track progress. Undo moves and check for errors. Sync puzzles across devices.
Solve puzzles in 6x6, 9x9, and jigsaw formats. Access thousands of levels with varying difficulty. Track progress and replay previous games. Sync puzzles across devices.
Play a brain-training game where players same-colored with lines without crossing different colors. Complete all connections to win. Save eye strain with customizable themes and backgrounds. Access over 10,000 levels for varied challenges.
Play Sudoku with puzzles of varying difficulty: easy, medium, hard, and expert. Solve grids with hints and track progress through game center achievements and leaderboards. Share scores and compete globally. Export puzzles and customize backgrounds.
Solve crosswords, Sudoku, and Quick Cross puzzles. Track progress and stats. Access daily puzzles and customize difficulty levels. Sync game data across devices. View puzzle history and achievements.
Solve puzzles with 6 difficulty levels and unlimited grids. Track progress with daily challenges. Undo and redo moves. Manage 10 grids simultaneously. Adjust music playback without interruptions. Sync puzzles across devices.
Solve pixel art using numbered hints to determine filled and blank pixels. Reveal images by logically deducing correct cells. Play hundreds of with increasing difficulty. Track progress and complete challenges. Share completed artwork with others.
Solve puzzles with 6 difficulty levels from easy to diabolical. Access unlimited grids offline or online. Complete daily challenges. Use undo/redo features. Track 10 concurrent games. Adjust settings for music playback.