Immerse yourself in the exciting puzzle world with the game Perfect Brain 3D Puzzle. Solve complex puzzles in 3D space, develop your mind and logical thinking, creating a path to the perfect brain in ...

However, as avid puzzlers ourselves, we put together a list focuses on what we've found as the most challenging yet rewarding puzzles with adults in mind, and even included some 3D gems in the mix.

Have you ever been about to finish a puzzle, when suddenly you realize there are more holes left than you have pieces? With [Nikolaos’s] 3D printed sliding puzzles, this will be a problem of the ...