Sudoku super-master Frank Longo and mental_floss, the magazine for trivia lovers, bring fans a collection of superb puzzles sure to stimulate the brain. Longo's puzzles are always top-notch, and becau
Endless fun for devoted solvers! At 21 feet, 9 ? inches long, and with 8,929 empty squares to fill, this huge puzzle adds big excitement to the popular game—and is the perfect challenge for fans who f
Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than o
Lounging by the pool is a great way to spend some leisure time, and great sudoku puzzles make it even better. Whether they're on a beach towel or lounge chair, solvers will delight in this latest col
Strain your brain--not your eyes! With one puzzle on each page, large numbers, and plenty of space to write, these super-sized sudoku are easy to read…but challenging to solve. Created by one of the w
