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 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.
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.
Between two images to improve observation skills. Select and highlight discrepancies. Access over 20,000 unique images. Choose from varying difficulty levels. Track progress through completed puzzles. Share results with friends.
Play puzzles with four difficulty levels: Easy, Medium, Difficult, and Expert. Solve daily challenges and track progress. Customize settings and access a variety of puzzles to improve mental agility.
Sudoku allows users to play puzzles with adjustable difficulty levels. Track scores using a point system based on number values and solving speed. Compete on online leaderboards. Access thousands of free puzzles.
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.
Play by dropping blocks on a 9x9 grid to fill lines and squares. Remove completed rows and columns to keep the board clear. Complete daily challenges for trophies and participate in seasonal events for animated postcards.
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.
Play with unlimited hints and undos. Sort by suit and rank. Move between tableau piles and foundation. Clear the game board to win. Adjust game speed and sound settings. Save progress and resume later.
Solve teasers with logic and creativity. Rearrange objects, find hidden elements, and complete . Track progress and unlock new challenges. Share solutions with friends.
Solve - puzzles by filling grids with numbers that match horizontal and vertical equations. Adjust difficulty levels and track progress. Share completed puzzles with friends.
Play by matching pairs to clear the board. Tap to flip and pair identical ones. Track high scores and replay puzzles. Solve puzzles on mobile without needing paper. Train logic and concentration skills.
Play with customizable card sizes for better visibility. Arrange cards to build sequences from king to ace. Complete levels to earn points and unlock new challenges. Compete against other players in ranked matches.
Solve puzzles with varying difficulty levels. Select grid size and number of hints. Track progress and restart puzzles. Share completed grids via social media. Adjust themes for visual preferences.
Play a two-player game by connecting four pieces in a row, column, or diagonal. Challenge CPU opponents on easy, medium, or hard levels. Play with a friend using pass-and-play mode. Choose who starts or let the game decide randomly.