Learn and practice speedcubing algorithms for 2x2, 3x3, 4x4, Pyraminx, Skewb, Square-1, and Megaminx. Access over 1,000 algorithms with regular updates. Save and organize algorithm sets. View step-by-step guides and practice sequences.
by Armand Tartar★ 4.512 ratingsEducationFreeData updated 2026-09-06
Solve by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 box contains unique numbers. Features include puzzle selection, difficulty levels, and hints. Track progress and complete logically without guessing.
Allows users to time their solves with a simple tap to start and stop. Times are displayed instantly with color-coded feedback indicating performance relative to the user's average. Scrambles are generated randomly in standard WCA notation.
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.
Learn to play with tutorials and practice matches. Invite players or compete against random opponents. Rematch after each game. Track achievements and leaderboards through Game Center. Switch board positions and colors.
"Play puzzle games to rearrange sliding blocks and restore images. Choose between classic Klotski mode with varying grid sizes or memory challenge mode. Solve puzzles to improve spatial reasoning and memory skills."
Solve Rubik's Cubes using augmented reality. View virtual arrows on the to guide moves. Learn step-by-step solutions. Correct scrambled cubes quickly. Track progress and practice techniques.
Allows users to solve number puzzles on a 9x9 grid. Fill cells with numbers 1-9 without repeating in rows, columns, or 3x3 boxes. Features include multiple puzzles, unlimited gameplay, and no ads or in- purchases.
Learn through animated word links and interactive challenges. Practice words at varying difficulty levels. Track progress and receive instant feedback. Sync with UK national curriculum SPAG standards. Complete exercises and quizzes.
Play a game that combines puzzles and . Drag blocks onto the board to clear rows, columns, and 3x3 squares. Solve puzzles by matching numbers and shapes. Track progress and compete with others.
Allows users to play a logic-based puzzle game. Fill a 9x9 grid with numbers 1 to 9. Each row, column, and 3x3 subregion contains unique digits. Track mistakes and lose if exceeding three errors.
Solve puzzles by removing blocks to clear paths. Adjust difficulty levels and track progress. Unlock new levels and themes. Use touch controls for intuitive movement and interaction. Share achievements with friends.
Play as a detective to solve crime cases in Detroit. Navigate seasonal episodes with increasing difficulty. Use deductive reasoning to uncover clues and solve puzzles. Explore realistic dialogue options to gather information.
Play daily word puzzles by connecting adjacent letters in grids. Solve 4x4 and 3x3 puzzles with animated celebrations for correct answers. Use hints to reveal partial word paths. Track progress and access daily challenges.
Learn arithmetic operations like subtracting 7-9, multiplying by 4, 8, 9, 11, and 25. Practice calculations through structured lessons with increasing difficulty. Track progress and reinforce algorithm understanding through targeted exercises.