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15 Puzzle

Slide the numbered tiles back into order, 1 to 15.

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How to play 15 Puzzle

The board has 15 numbered tiles and one empty space. Click a tile next to the gap to slide it in. Rearrange the tiles until they read 1 to 15 in order, left to right and top to bottom, with the empty space in the bottom-right corner.

15 Puzzle leaderboard

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15 Puzzle — frequently asked questions

How do you solve the 15 Puzzle?

Work in order: solve the top row, then the left column, and keep reducing the board to a final 2×2. Slide tiles around the empty space without disturbing finished rows.

Is the 15 Puzzle always solvable?

Yes — each board is created by shuffling the solved puzzle with legal slides, so it can always be returned to order.

Is the 15 Puzzle free?

Yes — it is completely free, with no download and no sign-up.

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