15 Puzzle

Classic 15-tile sliding puzzle. Slide numbered tiles into order from 1 to 15. Race against the clock or just enjoy the challenge.

Runs 100% in your browser — nothing is uploaded.

Moves

Time

00:00

Click a tile next to the blank to slide it. Use arrow keys to move tiles.

How to use

1
Start
Click New Game to get a fresh scrambled board.
2
Slide tiles
Click any tile next to the empty space to slide it in. Use arrow keys to slide the tile that would move in that direction.
3
Solve it
Arrange all 15 tiles in numerical order with the blank at bottom-right.
4
Track progress
Your move count and time are shown live. Beat your best to set a record.

How do I move tiles?

Click a tile adjacent to the empty space to slide it into the gap. You can also use arrow keys.

Is every scramble solvable?

Yes — the puzzle only generates solvable configurations using a parity check.

What is the goal?

Arrange tiles 1–15 in order left-to-right, top-to-bottom, with the empty space in the bottom-right.

Is there a move counter?

Yes — moves and elapsed time are tracked. Finish in fewer moves for a better score.