Secret Opening Puzzles

The Steuerrad Puzzle Box is a high-level difficulty puzzle that will have even experienced puzzlers stumped right from the start, thinking: “how could I possibly start solving this puzzle?!” You...

Not for the faint of heart, The Quartet Puzzle is a deviously tricky disentanglement puzzle, named after the number of pieces involved. There are 4 pieces total that form the...

You will be forced both literally and figuratively to think outside the box with this puzzle designed by the great Jean Claude Constantin. The PLD Puzzle Box contains two sliding...

Very difficult metal puzzle by Hanayama. The Trinity puzzle is made out of three pieces that lock into each other. None of the pieces is uniform, which makes it difficult to discover the...

Can you open the Puzzle Box Safe and free the Euro coin? A very hard puzzle with a double-layered labyrinth maze. The goal of the puzzle is to open the safe...

The Hourglass puzzle is a very difficult puzzle that is made of 4 cast metal pieces. Each piece of the puzzle is engineered precisely to interlock in a seamless way. There are sequential tricky movements that need to...

If you’ve ever felt like a nutcase yourself while solving a puzzle, look no further! The main objective for this Nuts & Bolts style puzzle is to free the small,...

This super hard puzzle was considered for many years impossible to solve. The Enigma metal puzzle was originally designed in 1975 in the USA. Recently Hanayama made a new version...

Very hard metal puzzle and very satisfying to solve. The goal of the puzzle is to open the sphere. The Titan brass puzzle is a simple-looking, yet highly challenging take-apart puzzle. This is...

From the creative and eccentric mind of Seibenstein-Spiele’s founder, Jurgen Reiche, this spectacular Lock 64 Coding Puzzle is built from laser-engraved pieces of heavy-duty wood to hold the secrets of...

The Hanayama Master Sword puzzle is a brain teaser inspired by The Legend of Zelda series. The puzzle involves separating the Master Sword from its stone pedestal by manipulating the...

ELK cast puzzle is based on the original famous puzzle from the 19th century, which has been successfully revived in a new form. The key word here is "antlers". Can...

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...

  This exclusive level 10 puzzle set is designed to challenge experienced puzzlers. The set includes 3 puzzles that require logic and critical thinking to solve, perfect for those who want to...

The goal of this puzzle is to reveal the hidden "lotus flower" by carefully removing the circular aluminum disc and rod. The Lotus Flower puzzle is incredibly difficult and will...

A great puzzle by master Akio Yamamoto. The two independently linked loops make this puzzle extremely challenging. Your goal is to remove the masterfully interlocked 'Adam' and 'Eve' loops from...

The goal of this puzzle is to separate three metal chain-links and then reassemble the chain. What’s so difficult about that? Well, the devil is in the details with this...

If you are an experienced puzzler who loves to take on difficult challenges, then you might want to consider this set of puzzles. Created specifically for people who can solve...

This captivating Burr puzzle features 6 precisely machined pieces that interlock seamlessly. While the name implies a 10-move solution, meaning the first piece disassembles in 9 moves. The 10-move Burr puzzle...

High-quality mechanical metal puzzle set. Those are the first two puzzle designs by Felix Ure (Titan puzzle and the Hip-Flask puzzle). Both puzzles are very hard to solve.  Titan Puzzle - Very hard metal puzzle and...

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...

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,...

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!...

The Fit & Lock wooden puzzle set features two incredibly challenging puzzles. One is a complex interlocking puzzle that requires precision to take apart and reassemble. The other is an...

If you’ve tried to solve puzzle boxes before, you’re in for a special surprise with the 7 Sun 72-Step Puzzle Box. You read that correctly, 72 steps are required to...