Practice long with problems ranging from 1 to 5 digits in the top factor and 1 to 3 digits in the bottom factor. Solve random or custom entered problems. View step-by-step solutions with adjustable tutorial animation speed.
Play Klondike with single-player or online 1v1 matches against friends. Choose from various skill levels. Earn achievements and track progress with overall and level statistics. Undo moves, drag or smart tap to move cards. All games are solvable.
Play by filling a 9×9 grid with digits 1-9. Choose from four difficulty levels. Ensure no repeated numbers in rows, columns, or 3×3 sub-grids. Solve puzzles using logical deduction only.
Cross Digits Lite offers a number crossword experience where each word represents a number. Users fill the board using logic and deduction, referencing a word list for horizontal and vertical numbers.
Play by filling a 9x9 grid with numbers so each row, column, and 3x3 box contains 1-9 without repetition. Solve puzzles with varying difficulty levels. Track progress and complete daily challenges.
Play soccer quizzes to players and teams. Choose between two game modes with unique challenges. Unlock new leagues as you progress. Test knowledge with up-to-date 2025/2026 season data. Track progress through levels and achievements.
Find numbers on a grid. Choose from single player, time mode, two-player, or odd/even mode. Use a hint button when stuck. Track progress and compete against others.
Learn and practice with problems ranging from 2 to 3 numbers. Each addend has 1 to 6 digits. Choose random or custom problems. Adjust tutorial animation speed. View step-by-step solutions with the play tutorial button.
Guess based on visual clues and common themes. Solve puzzles to progress through planets and defeat bosses. Explore themes like daily life, animals, brands, and the ocean. Track progress and unlock new worlds.