About this game
Restore the numbers 1–15 to order, leaving the bottom-right square empty. Only tiles beside the empty square can move.
15 Puzzle
Restore the numbers 1–15 to order, leaving the bottom-right square empty. Only tiles beside the empty square can move.
Ready for a round?
The game loads when you press Start. Check the controls before you play.
Game not visible? Reload it or open it separately.
How to play
Updated 2026-09-21How to play
Click a tile directly above, below, left, or right of the gap. Arrange the numbers from left to right and top to bottom.
Controls
Click or tap an adjacent tile. Nonadjacent tiles stay put. Use the restart button to shuffle a new board.
Scoring and ending
Each legal slide counts as one move. The game tracks time and saves the fewest moves in this browser when you solve the board.
Practical tips
Build the top rows and left columns first, reducing the unsolved area. Avoid breaking completed rows just to move a single remaining tile.
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