| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sudoku puzzles instant free play | 0.03 | 0.6 | 6298 | 65 |
| sudoku free puzzles online | 1.06 | 0.2 | 8110 | 65 |
| free online sudoku puzzle | 0.54 | 0.1 | 356 | 79 |
| killer sudoku online free puzzles | 0.18 | 0.3 | 5208 | 80 |
| msn sudoku puzzles free online | 1.65 | 0.6 | 3505 | 65 |
| billions sudoku puzzles online free | 1.98 | 0.2 | 3127 | 12 |
| play free sudoku puzzles online | 1.6 | 0.6 | 3309 | 100 |
