A sliding-block puzzle with 15 sequentially numbered square tiles in a 4×4 frame, the aim being to arrange the numbers in order by sliding one at a time horizontally or vertically into the single available space.

(India) Alternative form of jigsaw puzzle

Alternative spelling of monkey puzzle

Synonym of Rubik cube. A generic term for the Rubik's Cube type puzzles / Used other than figuratively or idiomatically: see puzzle, cube. / a cubic puzzle

(games) A crossword.

A kind of puzzle made of interlocking pieces that must be disassembled and reassembled. / (figuratively, idiomatic) A senseless situation.

A type of puzzle in which the aim is to reconstruct a picture that has been cut (originally, with a jigsaw) into many small interlocking pieces.

plural of zigsaw puzzle

A box that cannot be opened by the usual obvious means, and therefore challenges a person to find the correct way to open it.

plural of puzzle box