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Align the dials to solve this ancient Greek mathematical challenge.
Step into the world of ancient Greek ingenuity with the Grecian Computer, a puzzle inspired by the brilliance of early astronomers and the groundbreaking Antikythera mechanism. Turn the dials until all 12 columns align perfectly, each adding up to the number 42.


With a difficulty rating of 5/5, this puzzle tests your mathematical reasoning and patience — a rewarding brain workout for ages 14 and up. Stuck? Every puzzle includes a free online solution video, so the challenge never turns into frustration. Can you master this homage to the world's first known analog computer?