Challenge your spatial skills with Oleo 20, a Level 5/5 challenge from acclaimed Japanese designer Yuu Asaka. This portable yet powerful puzzle tasks you with fitting 20 acrylic pieces into a rectangular frame.
True to Yuu’s signature style, the design breaks from convention, offering puzzlers a fresh, creative twist on the classic packing format.
Released in May 2025 as the 18th puzzle in his celebrated series, Oleo 20 is a standout addition for collectors and enthusiasts alike—crafted in Japan and built to surprise even the most experienced solvers.
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★★★★★
Monday August 4th
Jeff Strider
wrote,
This is by far the longest I have worked on a Yuu Asaka puzzle. 10 is a correct difficulty. I really enjoyed this one!
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