15 Puzzle: Sliding Numbers

Slide numbered tiles into order, using just one empty space. Begin with 40 small 3 × 3 sliding number puzzles, then continue through 80 classic 4 × 4 fifteen puzzles. Every starting position is produced by legal moves from the finished board, so every puzzle can be completed. Correctly placed tiles get a gentle color cue. There is no countdown or move limit. PLAY AT YOUR OWN PACE • All 120 puzzles are available from the start. • Offline play with no account or internet connection needed. • Undo moves, restart a board, or choose another puzzle. • Progress and settings are saved on this device. • Zoom for a closer view of the board. • Optional soft sounds, dark surroundings and larger interface text. • No ads or in-app purchases in this release. HOW TO PLAY 1. Slide a numbered tile into the adjacent empty space. 2. Arrange the numbers from left to right, top to bottom, with the empty space last. 3. Begin with 3 × 3 boards, then explore classic 4 × 4 puzzles. Undo and guided route hints are available. WHEN YOU WANT A LITTLE HELP Guided hints show the next move on the saved solution route. If you choose a different route, undo or restart to return to that guidance; any valid finish still wins. PRIVACY The game has no analytics, accounts or in-app network services. Uninstalling or clearing app data removes locally saved progress. Made by Gemduck. Support: hello@gemduck.com