411 REFERENCE · Wiktionary
15 puzzle
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|To solve the puzzle, the numbers must be rearranged into order
Noun
15 puzzle
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.
Translations
sliding-block puzzle
French: fr jeu de taquin