Enigma Sdk

Sudoku - EXTREMELY DIFFICULT: 184 extreme Sudoku puzzles Level: expert Pocket size puzzle book 5 x 8 Enigma Sdk

The 184 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Sudoku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge.




The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles.




Guaranteed to provide hours of mind-stretching entertainment.




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