Level 5

Considered a masterpiece of intricate design among those of its kind, the 54+1 Move Japanese Puzzle Box also encapsulates a secret space inside the box to store your treasures! The...

The New Secret Box II is a recent addition and a true tour de force of design from the great Akio Kamei, made by the Karakuri Creation Group. The object...

The Super CUBI Box is without a doubt one of the most challenging Karakuri boxes that you might ever encounter. Seriously! The solution requires a whopping 324 steps to open,...

This Quaternary Box stands out as undeniably one of the most formidable challenges among Karakuri puzzles you might ever encounter—no exaggeration! Opening it demands an impressive 1,536 steps, navigating a...

If there was ever a puzzle to bring with you on a deserted island, this would be Kubiya’s top choice - you’ll need all the free time you can get!...