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 ...

Then move tiles around in that loop. Sometimes you will have to move two blocks side-by-side in the loop. Each time you reload the page, the puzzle starts with a new random display. Some ...

The Giiker Super Slide Puzzle just hit its lowest price in years, and since it includes over 500 puzzles, it'll keep you ...