Watch out! These puzzles are for the most extreme solvers! But if you dare, grab a pen and take on these two hundred all-new extra challenging puzzles.
Features: - 200 hard puzzles - Big grids for easy solving - Introduction by legendary puzzlemaster Will Shortz more
Watch out! These puzzles are for the most extreme solvers! But if you dare, grab a pen and take on these two hundred all-new extra challenging puzzles.
Features: - 200 hard puzzles - Big grids for easy solving - Introduction by legendary puzzlemaster Will Shortz less