About Sudoku
Sudoku is a logic puzzle where you place numbers so that everything fits perfectly. There’s no math required—just reasoning and patience. Whether you’re a beginner exploring easy grids or an experienced solver chasing tougher challenges, Sudoku offers a calm, rewarding way to sharpen focus, spot patterns, and enjoy a quick mental workout anytime.
Sudoku Rules
- Sudoku is played on a 9x9 grid divided into nine 3x3 boxes.
- Fill the empty cells with digits from 1 to 9.
- Each row must contain the numbers 1 to 9 once, with no repeats.
- Each column must contain the numbers 1 to 9 once, with no repeats.
- Each 3x3 box must contain the numbers 1 to 9 once, with no repeats.
- You’ve solved the puzzle when every cell is filled correctly and all rules are met.
Y-Wing
The Y-Wing is a three-cell pattern using a bi-value pivot that links two bi-value wings.
W-Wing
The W-Wing links two bi-value cells with the same pair of candidates using a strong link on one candidate.
Last Remaining Cell
Last Remaining Cell is a simple sudoku technique used when a row, column, or 3x3 box has only one empty cell left. Identify the digit missing from that region and place it in the final spot. It is quick, certain, and useful at all levels.
Last Possible Number
The Last Possible Number is a beginner friendly sudoku technique used when a row, column, box, or a single cell has only one value left.
Частые вопросы
Какова цель каждой головоломки?
Заполните сетку так, чтобы каждая строка, столбец и блок 3×3 содержали все цифры от 1 до 9 без повторений.
Можно ли начать заново или отменить ход?
Да. Кнопка отмены поможет быстро исправить ошибку, а перезапуск очистит поле для нового подхода.
Есть ли версия для печати?
Включите режим печати, чтобы получить аккуратный макет для PDF или прямой печати.
Готовы играть?
Возвращайтесь к интерактивному судоку и примените стратегии на практике.