The 16th space is empty. The object of the puzzle is to place the tiles in order by making sliding moves that use the empty space. Blindfold Slide Puzzle includes a 2 by 2 grid, with 3 tiles, on a 3 by 3 grid with 8 tiles, and on a 5 by 5 grid with 24 tiles, along with a hints guide on how to play and win. Blindfold Slide Puzzle was suggested by several blind gamers who enjoyed Blindfold Tile Puzzle and Blindfold Pyramid Tiles.