Funbrainbooks

120 Extreme Samurai Sudoku Funbrainbooks

The ultimate Sudoku challenge, 120 Extreme difficulty level Samurai Sudoku. Normal Sudoku puzzles becoming a bit tedious? Feel like you can complete them in your sleep? Well here is something that might keep you awake instead! Our Extreme Samurai puzzles really aren't for the faint hearted. Five conjoining 9x9 sudoku puzzles that must be completed as a whole to get a complete puzzle. That is 369 numbers! These puzzles are used as part of the World Sudoku Championships. Why not time yourself and try to exert your brain a bit more by competing against previous times!