 | About DKM Sudoku Online
Feature rich Sudoku adapted from the popular online DKM Sudoku site.
- Carefully crafted puzzles at four difficulty levels, proven over 5 years.
- Unique scoring system and puzzle rating.
- Enter puzzles from newspapers and other sources.
- Use a “pencil” to mark possible numbers in a cell.
- Handy hints point to the easiest cell to solve next.
- Clue feature when a hint is not enough.
- Solve one cell at a time with an exact explanation.
- Works great on iPad.
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