Extreme difficult puzzles are often crafted from wood or metal and require intricate manipulation skills and a deep understanding of the underlying mechanisms to solve. Some examples include complex mechanical puzzles, secret opening puzzles, take apart puzzles, brain teaser puzzles, and intricate burr puzzles with numerous interlocking pieces. These puzzles can be challenging but also very rewarding when solved.
Quartet Cast Puzzle - Very Hard Puzzle
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...
Trinity Metal Puzzle - Very Difficult Puzzle
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...
Nutcase Puzzle - By Oskar van Deventer
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,...
Instant Insanity Coding Puzzle
The Instant Insanity Puzzle is three puzzles all in one compact unit, and it certainly lives up to the name! Think of the puzzle like a broken Rubik's cube -...
Enigma Puzzle - Very Difficult Metal Puzzle
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...
ELK Cast Puzzle - Very Hard Puzzle
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...
Amour Puzzle - Hanayama Level 5 Cast Puzzle
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...