Level 5

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...

Packing puzzles can challenge even the most experienced puzzlers! Our Mission Impossible Puzzle certainly lives up to its name as one of the hardest packing puzzles we have in our...

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...

The Interlocking Ladder Puzzle is based on the "Japanese Crystal Puzzle" originally designed in Japan circa the 19th century. This stunningly ornate and intriguing device is one of the most...

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...

When this puzzle was designed, there’s no doubt why they called it the Grandfather of all Burrs. No exaggerations were made, and you’re in for quite a challenge. This Puzzle...

Our most popular math puzzle! Can you find the combination? The goal is to arrange the 16 rows so that the total sum of each row is the same. Some...

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...

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...

Shopping for someone else but not sure what to give them? Give them the gift of choice with a Kubiya Games gift card. Gift cards are delivered by email and contain...

  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...

Packing puzzles can challenge even the most experienced puzzlers! The 3D Pentomino Chess Puzzle is one of the hardest packing puzzles we have in our collection. This puzzle takes the...

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...

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...

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...