Sudoku Classic
★ 4.7 | 203K plays | Puzzle Games
The timeless number puzzle, beautifully designed for your browser. Four difficulty levels from Easy to Expert. Includes pencil marks and undo.
Pro Tips for Sudoku Classic
- Use pencil marks to note possible numbers in each cell
- Look for rows, columns, or boxes with only one empty cell
- Start with Easy mode to learn the patterns before moving up
- The 'only candidate' technique solves most easy puzzles