| sudoku billions | 0.86 | 0.7 | 3822 | 15 | 22 |
| sudoku billions evil | 0.5 | 0.9 | 4919 | 20 | 14 |
| sudoku billions hard | 0.91 | 0.2 | 4527 | 20 | 62 |
| sudoku billions medium | 0.2 | 0.2 | 4696 | 22 | 15 |
| sudoku billions easy | 0.21 | 0.1 | 2945 | 20 | 75 |
| sudoku billions free | 1.68 | 0.4 | 9031 | 20 | 94 |
| sudoku billions free online | 2 | 1 | 8517 | 27 | 27 |
| sudoku billions free online hard | 1.22 | 1 | 1290 | 32 | 75 |
| sudoku billions free sudoku puzzles | 2 | 1 | 1633 | 35 | 59 |
| sudoku billions free evil | 1.84 | 0.3 | 2821 | 25 | 16 |
| sudoku billions free medium | 1.74 | 0.8 | 4523 | 27 | 99 |
| sudoku billions evil - zoeken | 0.84 | 0.6 | 1211 | 29 | 5 |
| sudoku billions of puzzles | 1.19 | 1 | 392 | 26 | 43 |
| sudoku billions free easy | 0.49 | 1 | 9348 | 25 | 61 |
| sudoku online billions | 1.18 | 1 | 618 | 22 | 83 |
| billions sudoku puzzles online free | 0.07 | 0.4 | 6110 | 35 | 37 |
| web sudoku billions | 1.85 | 0.6 | 1716 | 19 | 77 |
