Play with over 10,000 puzzles across 600+ levels. Choose from 11 variations of the classic game. Track progress through a to unite a kingdom and defeat an evil sorcerer. Solve puzzles to advance through islands.
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.
Solve by dragging letters into a grid. Complete daily puzzles and access puzzle packs with varying difficulty levels. Track progress and revisit previous puzzles. Share completed puzzles with friends.
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 crosswords with daily themed puzzles featuring trivia facts. Complete quests and collect trophies. Choose from twelve game modes. Access over 80,000 unique clues. Track progress and view statistics. Share achievements with friends.
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 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.
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.
Identify species by uploading photos or images of trees or leaves. Use machine learning to analyze and provide accurate results. Access detailed information on characteristics, habitat, and uses.