Finding Sudoku too easy? Try our extremely fiendish Sudoku puzzles.
Solving these fiendish puzzles is a different story entirely, since these are the most difficult puzzles.

Extreme Daily Sudoku

  Date   # Stats Play
7/5/20191566996 Sudoku Statistics Play Sudoku
7/4/20191696286 Sudoku Statistics Play Sudoku
7/3/20191714234 Sudoku Statistics Play Sudoku
7/2/20191648274 Sudoku Statistics Play Sudoku
7/1/20191756199 Sudoku Statistics Play Sudoku
6/30/20191883001 Sudoku Statistics Play Sudoku
6/29/20191988185 Sudoku Statistics Play Sudoku
6/28/20191733423 Sudoku Statistics Play Sudoku

Fiendish Random Puzzles

  Level   # Stats Play
Extreme1719508Sudoku StatisticsSudoku Play
Extreme1580461Sudoku StatisticsSudoku Play
Extreme1539696Sudoku StatisticsSudoku Play
Extreme1781870Sudoku StatisticsSudoku Play
Extreme1819498Sudoku StatisticsSudoku Play
Extreme1510382Sudoku StatisticsSudoku Play
Extreme1510382Sudoku StatisticsSudoku Play
Extreme1510382Sudoku StatisticsSudoku Play