Sudoku and its variants (killer sudoku, jigsaw sudoku).
Often combined with Number & math puzzle 160, Block puzzle 105, Jigsaw 43, Word game 36, Classic board games 30, Nonogram & grid logic 25.
| # | Game | Installs |
|---|---|---|
| 1 | 110K | |
| 2 | 97K | |
| 3 | 50K | |
| 4 | 19K | |
| 5 | 10K | |
| 6 | 622 | |
| 7 | 431 | |
| 8 | 10 |