Solve puzzles by filling a 9x9 grid with numbers 1-9. Use logical deduction based on given clues. Adjust difficulty settings. Track progress and reset puzzles. Share completed grids.
Play with a theme featuring 3D graphics and a Middle Ages atmosphere. Customize pieces, strategize moves, and compete against opponents. Track game progress and replay matches.
Solve puzzles with varying difficulty levels. Input numbers manually or transfer from newspapers. Use pencil and paper style tools for notes and hints. Track possible numbers with a ball of string. Access expert-level hints like Swordfish.
Offers puzzle-solving for all skill levels. Users can access over 5 million puzzles ranging from 400 to 3000 ELO. Features include adaptive difficulty, tactical pattern recognition, strategic endgame analysis, and opening trap study.
Play turn-based games by placing stacks to outscore opponents. Take turns building stacks and aim to reach the target score first. Track progress and compete against others in quick, strategic matches.
Play a turn-based strategy game where players take turns firing shots to sink opponents' ships. Invite friends or random players to compete. Track remaining shots and manage turns. Win by sinking all of your opponent's ships.
Solve puzzles with themed grids and varying difficulty levels. Find hidden words, track progress, and complete daily challenges. Share scores and compete with friends.
Play by filling a 9x9 grid with numbers 1-9 without repetition in rows, columns, or 3x3 blocks. Choose from multiple difficulty levels. Track progress and solve puzzles to improve logic and concentration.