- Difficulty
- Collecting data
- Solved
- Collecting data
- Median time
- Collecting data
- Avg steps
- Collecting data
Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.If digit ‘n’ is p...
It keeps the classic row, column, and box constraints, then adds the extra rule for this variant.
Start with recommended puzzles or puzzles with many solves; they are usually easier to approach.
Difficulty uses real player time, step count, and solve samples; when data is limited, the page shows that stats are still collecting.
English | 中文(简体) | 中文(繁體) | 日本語 | 한국어 | Français | Deutsch | Español | Português | Русский | Italiano | Nederlands | Türkçe | हिन्दी | ไทย | Tiếng Việt | Bahasa Indonesia | Polski | Українська |
数独 | Cool Sudoku | 数独 | Sudoku Puzzle | 賢くなるパズル | Free Printable Sudoku Puzzles