Slider puzzle, a popular type of puzzle.It involves a setup where the player needs to fix an arrangement. This setup typically consists of one or more sliding pieces on a square board.

Slider puzzles are usually solved by sliding the pieces into the correct order to complete a picture. There is an empty space on the board, and the player attempts to move the other pieces into their proper positions by utilizing this empty space.

Slider puzzle is a fun and challenging puzzle type that helps enhance cognitive skills and problem-solving abilities. There are more complex versions with different sizes and varying numbers of pieces available as well.