The blue eyes brainteaser, which is dubbed as the 'hardest logic puzzle in the world' has left many people scratching their heads as they try and work out the answer ...

It has 12 sides, each in the shape of a pentagon and is one of the hardest Rubik's cubes to solve.Image credits: Pinterest Paul Lamond's The World's Most Difficult Jigsaw Puzzle features the faces ...

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People have been left scratching their heads over the 'hardest logic puzzle in the world', with many admitting defeat just a few minutes in. The blue eyes brainteaser has been shared on social ...

An orgy of thin red lines, blue smudges and black and white blobs, the abstraction lived up to its billing as the “world’s hardest jigsaw puzzle.” There were colors all right, but where did ...