Euclidea Geometric Constructions

This free mobile app and website bills itself as “The Largest Collection of Interactive Geometric Puzzles”. Euclidea is all about building geometric constructions using straightedge and compass, but it’s also a game that values simplicity and mathematical beauty. Find the most elegant solution — the one which is built in the least possible moves — and you’ll get the highest score.There are 120 levels to solve, ranging from very easy to very hard.

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