Pirate takes you on a timber-shivering journey to a mysterious island in the heart of the seven seas in this tile-sliding ...

The classic sliding block puzzle. The 15-puzzle consists of a 4-by-4 grid with tile numbered $1$ to $15$ placed in the grid. The object of this puzzle is to randomly arrange the tiles on the grid, and ...

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 ...