Study openings by analyzing common mistakes and traps. Explore over 40 openings with instructional exercises. Practice with puzzles from real games. Track progress and review solutions for each exercise.
Learn tactical methods through exercises on Fork, pin, double check, and more. Practice over 4300 problems to improve recognition of combinations. Track progress and apply techniques in real games.
Play by moving stones between pits and capturing opponent's stones. Take turns with AI or another player. Learn rules through in- guidance. Track game progress and manage stones during each turn.
Learn rules and strategies through structured lessons. Practice with 500 examples and 700 exercises. Track progress through levels to player. Study openings, middle game, and endgame techniques.
Play and Renju against opponents globally. Choose from 15 difficulty levels. Compete for score rankings. Place stones to form five in a row. Renju adds restrictions on Black's moves. Save and resume games. Share match results.
Solve puzzles with unlimited generated grids. Choose from six difficulty levels. Features a vintage 1920s design. Offers a clean interface for focused play. Provides mental exercise and entertainment. Available offline for anytime use.
Solve word puzzles by answering clues and filling in letters. Reveal hidden quotes as answers are solved. Link letter positions between clues and the quote. View beautifully designed puzzles on iPhone and iPad.
Play against the computer or another player. Adjust computer difficulty, undo moves, and rotate the board. Access hints and use an intuitive, attractive interface for gameplay.