Secret Opening Puzzles

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...

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 Infinity Puzzle earns its name for both style and mechanics. Not only do the pieces resemble the sign for infinity (a horizontal 8), but their motion continues in an...

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...

The object of this ingenious, cast metal puzzle is to separate the two interlocked loops and remove them from the surrounding planet-like structure. Afterward, can you piece it back together?...

Love is in the air - and cast into the metal! The Love Puzzle contains two pieces - one gold, one silver - that smoothly intertwine to make a single...

A modern puzzle, the Cyclone is a four-piece, cast metal disentanglement puzzle from Hanayama, released in 2021. In this puzzle, each piece interlocks with the other three in a cyclonic...

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...

Live your James Bond spy fantasy with the safe-cracking Cylinder Puzzle from Hanayama! Can you take apart the 5 metal pieces of the cylinder to reveal the secret inside? That’s...

Never underestimate the bishop! This puzzle is modeled after the classic look of the bishop piece from a game of chess and is the perfect way to combine your love...

The Hanayama Cross Puzzle is made up of two pieces that must be disassembled and then reassembled. The two pieces are restricted in movement by a variety of angles and...

Can you separate the five pieces of the 3D jigsaw and then meld them back together again? At first glance, the pieces do not seem as though they are unlockable. ...

A great metal puzzle by Yoshigahara. Start by taking the puzzle pieces apart, then figure out how to put them back together and restore the puzzle to its original state....

Pocket-size metal puzzle in a shape of a UFO! The UFO puzzle was designed by Vesa Timonen from Finland. The puzzle is made out of 6 pieces that interlock with...

The Delta Puzzle is formed by three separate, metal pieces that mesh together into a triangle shape. The first challenge is how to separate the parts, and then the puzzler...

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...

The Tube puzzle was designed by Vesa Timonen, and consists of 3 parts. The objective is to disassemble the puzzle and then put it back together. Consider every possible method...

The Harmony puzzle is a beautiful disentanglement puzzle made out of 2 pieces. The objective of the puzzle is to separate the “G clef” from the “eighth note”. It looks...

Locked Sticks is a brilliantly simple puzzle that hides a formidable challenge. The game is also known as Snag Box and Computer Chip (it actually does resemble the shape of...

High-quality Hanayama puzzle! The object of the Planet Puzzle is to remove the spherical, metal Planet from within and then place it back in again. The planet puzzle must be...

Great mechanical metal puzzle designed by Vesa Timonen. The valve is made out of three pieces. As you rotate each inner piece, you should be able to understand how the...

If you thought one maze was tough enough to navigate, try finding your way through two, at the same time! The Labyrinth Puzzle consists of two metal pieces joined together....

This die-shaped puzzle consists of three interlocking pieces. Try to get the three pieces oriented correctly inside the frame. The Cast Dice Puzzle was designed by: Timothy Collins. A beautiful...

A beautiful puzzle with unusual pieces that looks like a sculpture. The puzzle is made of 4 pieces that need to be taken apart and then put back together. The...

Another great puzzle by Oskar van Deventer. The H&H puzzle is made out of two pieces shaped like the letter H. The goal of the H&H puzzle is to take apart the...

A great medium-level Hanayama cast metal puzzle by Bram Cohen. The Rattle puzzle is made out of four identical interlocked pieces  The object of the puzzle is to take apart the four...

Very satisfying puzzle by Masui Ohno. The challenge in this puzzle is to remove the cross-shaped piece from the outer disk and then put it back together. To solve the puzzle, begin by rotating the outer...