Extremely Difficult Sudoku Puzzles

Board number 71

9601 times played

Board number 113

3441 times played

Board number 116

3044 times played

Board number 133

2631 times played

Board number 140

2362 times played

Board number 142

1898 times played

Board number 153

2120 times played

Board number 164

1772 times played

Board number 168

1800 times played

Board number 181

2080 times played

Board number 198

1906 times played

Board number 208

1776 times played

Board number 248

1743 times played

Board number 255

1787 times played

Board number 289

1594 times played

Board number 302

1748 times played

Board number 306

1597 times played

Board number 326

1824 times played

Board number 328

1663 times played

Board number 339

2379 times played