World's Hardest Puzzles

Match your mind with the world's greatest brains. If you can match minds with the greatest brains, then you have a chance of solving these puzzles.

More than 90 of the world's hardest puzzles start with super-hard puzzles and move up to out-of-this world hard. You'll love every one!

Great cartoons and illustrations will help and entertain, while your brain gets to work on these topnotch, tricky challenges.