Extreme Sudoku

Extreme Sudoku is the magazine for sudoku enthusiasts who are looking for more challenging puzzles. Tough-but-fair, these conundrums will challenge your solving ability to the limit.

In total, there are 82 puzzles. Most are sudoku, but there are also three Kakuro, 12 X-Factor and five Killer Sudoku puzzles.

Every issue of Extreme Sudoku comes with a free pencil and contains a competition.