| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sudoku online killer hard | 0.34 | 1 | 2965 | 32 | 25 |
| sudoku | 1.52 | 0.3 | 4611 | 45 | 6 |
| online | 1.63 | 0.6 | 7088 | 77 | 6 |
| killer | 0.95 | 0.9 | 7964 | 78 | 6 |
| hard | 1.08 | 0.3 | 7623 | 69 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sudoku online killer hard | 0.48 | 1 | 6409 | 50 |
| hardest killer sudoku online | 0.01 | 0.8 | 2975 | 20 |
| killer sudoku online online | 1.89 | 0.5 | 7569 | 61 |
| online killer sudoku free | 0.71 | 0.2 | 5880 | 54 |
| killer sudoku by sudoku | 1.35 | 0.9 | 1119 | 86 |
| killer sudoku online free daily | 0.93 | 0.7 | 1364 | 13 |
| killer sudoku online daily | 1.27 | 0.2 | 2132 | 4 |
| killer sudoku online archives | 1.08 | 0.5 | 7409 | 10 |
| the hardest killer sudoku | 0.95 | 0.8 | 3720 | 14 |
| how to killer sudoku | 1.45 | 0.9 | 6666 | 86 |
| how to solve difficult killer sudoku | 1.99 | 0.8 | 2108 | 94 |
| free killer sudoku game | 0.44 | 0.5 | 3273 | 65 |
| killer sudoku free download | 0.22 | 0.4 | 5759 | 60 |
| killer sudoku for pc | 1.4 | 0.5 | 60 | 83 |
